split
Noun pluralsplits
Pluralsplits
- 1To break or cut something, or to break or burst open, into parts, especially lengthwise or along the grain, all the way through or only partway.
The carpenter split the board lengthwise to make two thin panels.
A single blow can split a coconut cleanly in two.
UsageThe past form is also split (not
incorrect: splitted); often split something in two or in half.Note
The core physical sense is a fairly late arrival in English, in use since about 1567. Its range runs from Robert Boyle's marble "split asunder by congealed water" in 1660 to the splitting of water molecules in photosynthesis. Its close synonym is cleave.
- 2
- 3Describing something that is already divided or broken into two or more parts, as in split peas or a split screen.
The party entered the election with a split leadership.
A split lip needed two stitches after the fall.
UsageOf people or groups, often split on or over an issue, and deeply or evenly split.
- 4To cause a group to break up or fall into discord, or to break up in this way.
Internal rivalries can split even the strongest alliance.
The movement split into feuding factions within a year.
UsageOften split into factions or camps, or split over an issue.
Similardivide, fracture, splinter, polarize
Note
The figurative break, applied to groups rather than objects. It runs in both directions: an outside force splits the group, as when accusations of bribery split a party, or the group splits on its own into factions. The noun for a breach names the result.
- 5Of a couple, to end a relationship and go separate ways; to break up.
Many couples split over money long before anyone talks about divorce.
The actors split last spring after six years together but remain close friends.
UsageAlso split up; one partner splits from the other: she split from her husband.
- 6A breach or separation within a group, such as a political party; a division.
The vote exposed a growing split in the coalition.
A bitter split divided the membership into rival camps.
UsageOften a split in a group or a split between two sides, sometimes over an issue.
Similarrift, division, schism, breach, rupture
Oppositeunity, reconciliation
- 7The manner in which money, votes, work or the like is shared out, or the proportions in which it is shared.
The final count showed a 60-40 split in favor of the new park.
The partners argued for months over the split of the firm's profits.
UsageOften given as numbers: a 60-40 split, a 50-50 split; also the split of the profits.
Similardistribution, breakdown
- 8A crack, tear, or long narrow opening in something, such as wood, rock, or leather.
The hikers spotted a split in the rock face.
A split along the canoe's hull let water seep in.
- 9
- 10The time recorded at a checkpoint partway through a race or speedrun, or the time taken for one section of it.
His split at the 200-meter mark put him on record pace.
The runner's final split showed she had slowed in the last lap.
Note
Runners and speedrunners both keep splits. Each is read at a set point, such as the 800 m mark of a 3000 m race, and written as a time (1:45.32). Laid side by side, splits show pacing: where an athlete was on record pace, and where the final stretch slowed.
Checked 6 Nov 2026 · 6 facts
- Runners record split times. worldathletics.org
- Speedrunners record split times. livesplit.org
- Running splits can be recorded at checkpoints, including 800 m in a 3000 m race, using minutes, seconds and hundredths. The supplied time is illustrative. media.aws.iaaf.org
- Speedrunning splits can be taken at defined game checkpoints. livesplit.org
- Comparing splits reveals pacing relative to a record. worldathletics.org
- Comparing section times reveals late-race slowing. worldathletics.org
- 11Of two teams playing a doubleheader, to each win one game and lose the other.
The Yankees and Red Sox split their doubleheader, trading wins.
After losing the opener, the home team won the nightcap to split the doubleheader with its rivals.
Oppositesweep
Note
Baseball's word for breaking even across a doubleheader. It takes two constructions: one team splits with another (Boston split with Philadelphia), or the two teams split the doubleheader between them. The verb describes the outcome of the pair of games, so no single game can be split.
Less common meanings
- 12A position in which the legs are stretched out straight in opposite directions, about 180 degrees apart, usually with the body lowered to the floor.
Her gymnastics coach praised the clean split she landed after the tumble.
Few dancers can sink into a full split without years of stretching.
UsageUsually do the splits, plural, even for one position; a described move takes a: a full split.
Note
In gymnastics, dance and cheerleading it comes in two shapes: a side split, with the legs opening sideways from the body, and a front split, with one leg forward and one behind.
- 13A corporate action that replaces each existing share with several new ones, lowering the value of each share in proportion.
The board approved a three-for-one split, so every shareholder will receive three shares for each one held.
Splits do not change a company's total value, only the number of shares outstanding.
- 14A dessert or confection made in the style of a banana split.
The diner's dessert menu lists a strawberry split, served in a long dish with three scoops and whipped cream.
The new dessert menu features a caramel split topped with nuts.
- 15A recording that features songs by two or more different artists sharing the release, such as a split single or split album.
The label issued the split as a seven-inch with one band per side.
Their first split paired two underground acts on a single cassette.
Note
The noun is short for split single or split album, and the full phrases remain in use alongside it. The release is literally shared between the artists. On a seven-inch record, for instance, each band can take one side.
Checked 6 Nov 2026 · 3 facts
- The noun ‘split’ is a shortened form of ‘split single’ or ‘split album’. en.wiktionary.org
- The release contains contributions from different artists. en.wikipedia.org
- A seven-inch split record can feature one band's music on each side. bleakwood.bandcamp.com
- 16A piece split off or shaved thin from a larger whole; a splinter or fragment.
Before weaving, she soaked each split in warm water so it would bend without cracking.
The chair maker pulled long splits from the ash log and trimmed them to an even width.
Similarsplinter, sliver, chip, shaving
Note
Anything broken off by splitting can be a split, and trade has put the word to exact use. The United States Tariff Commission in 1929 describes peanut kernels that break in shelling, "known as splits," as a fifth grade of shelled Virginia peanuts. Here a fragment becomes a commercial category.
Checked 6 Nov 2026 · 2 facts
- The United States Tariff Commission's cited publication appeared in 1929. govinfo.gov
- The Commission describes kernels split during shelling as a fifth grade of shelled Virginia peanuts, using the exact words "known as splits." en.wiktionary.org
- 17
- 18An off-speed baseball pitch thrown with the index and middle fingers spread apart, causing it to drop sharply near home plate; a split-finger fastball.
He struck out the side with a devastating split.
His split dropped so sharply that hitters kept swinging over the top of it.
UsageIn careful description, the full name split-finger fastball is the safer choice.
Note
A baseball clipping of split-finger fastball, short enough for quick talk about a pitcher's arsenal: he's got a nasty split. It is slang. The full name describes the grip, with the index and middle fingers spread apart, which makes the pitch drop sharply near home plate, and it is the safer choice in careful writing.
- 19To vote for candidates from opposing parties rather than supporting a single party's slate.
In some states a large share of voters split their tickets, backing one party for governor and the other for the Senate.
Pollsters wanted to know how many voters would split their tickets between the two parties in November.
UsageUsually split your ticket: voters split their tickets between the two parties.
- 20In bowling, an arrangement after the first throw in which the headpin is down and two or more pins remain standing with a gap between them.
He somehow converted the 7-10 split for a spare.
A wide split left her almost no chance of a spare.
Note
A bowling leave counts as a split only when the head pin has fallen and the pins still standing form separate groups, with gaps where pins were knocked away. Bowlers often name a split by the standing pins, as in a 7-10 split. Converting it means taking down both survivors with the second ball for a spare.
Checked 6 Nov 2026 · 4 facts
- The head pin must also be down; a leave with the head pin standing is not a split. images.bowl.com
- Pins must be missing from positions between or immediately ahead of standing pins; fallen pins need not physically lie between them. bowling.sport
- Splits are named by the standing pins, including the 7-10 split. bowl.com
- Converting the example 7-10 split means knocking down both remaining pins with the second ball for a spare. pba.com
- 21A workout routine defined by how it distributes muscle groups and how they are trained across a microcycle.
He switched to an upper-lower split to train each area twice weekly.
Her new split dedicates a full day to back and biceps.
Similarroutine
Note
Bodybuilders describe a training plan by how it divides the body across a training cycle, or microcycle. The word usually follows a label naming that division, as in an upper-lower split. The split is the overall scheme, not any single session. A day given to back and biceps is one piece of it.
Checked 6 Nov 2026 · 3 facts
- A microcycle is a training cycle containing multiple sessions. passport.world.rugby
- A split describes the distribution of muscle-group training across a microcycle. en.wiktionary.org
- The split is the overall arrangement of sessions; training back and biceps together can constitute one part. nsca.com
- 22A small bottle of wine or champagne, usually a quarter of a standard bottle (18.75 centiliters), though the name is also used for a half bottle (37.5 centiliters).
The flight attendant handed each passenger a split of sparkling wine.
He kept a few splits in the cooler for last-minute guests.
Similarpiccolo
Note
The name covers two bottle sizes. Here a split is a quarter bottle of 18.75 centiliters, but the same name is also given to a half bottle of 37.5 centiliters. When size matters, the volume is the safer thing to state. In US terms the quarter bottle comes close to a twentieth of a gallon, or a quarter of a fifth.
Checked 6 Nov 2026 · 4 facts
- A quarter-bottle split contains 187.5 milliliters, equivalent to 18.75 centiliters. wsetglobal.com
- Split is also used for a half bottle containing 37.5 centiliters. srca.nm.gov
- 187.5 milliliters is close to one twentieth of a US gallon: approximately 189.27 milliliters. nist.gov
- A quarter of a fifth equals one twentieth of a US gallon, so the stated approximation is correct. en.wikipedia.org
- 23To reveal a secret or betray a confidence; to inform on someone.
Similarinform, squeal, snitch, rat, blab
Note
Dated slang for telling what you were trusted to keep, the same idea as to peach. Thackeray's The History of Pendennis has Morgan's threat "If I don't, I split, and tell all." The verb is intransitive there, though the same novel also uses it with an object: "Did I split anything?" To a modern ear it reads as period dialogue, not current speech.
Checked 6 Nov 2026 · 4 facts
- The secret-revealing sense is dated slang synonymous with peach. en.wiktionary.org
- Thackeray wrote The History of Pendennis. gutenberg.org
- James Morgan speaks these words as part of a conditional threat to Major Pendennis: "If I don't, I split, and tell all." gutenberg.org
- It is intransitive in Morgan's threat, but transitive use also occurs in the same novel: Colonel Altamont asks, "Did I split anything?" gutenberg.org
- 24Carried out in parts, with portions done at different times or at different prices.
- 25In biological classification, the division of a single taxon into two or more separate taxa, the opposite of a lump.
- 26Made with equal parts decaffeinated and caffeinated espresso.
- 27Of a polynomial, to factor completely into linear factors over a given field; also, to factor a polynomial in this way.
- 28In gambling, a division of a stake that occurs when two cards of the kind the stake is laid on are dealt in the same turn.
- 29Of a module, algebra, or similar structure, to decompose into a direct sum of smaller substructures.
- 30To contain a part that breaks down as a direct sum, said of a sequence or similar construction linking algebraic structures.
- 31Of a short exact sequence, having a middle term that decomposes as a direct sum of the outer terms.
- 32Of a stock price quotation, stated in sixteenths of a dollar instead of eighths.
- 33Of ordinary shares on the London exchange, separated into two classes, preferred and deferred.
- 34A layer of a hide that has been sliced into two or more thinner sheets.
- 35In croquet, a stroke that sends one's own ball and the ball it touches off in different directions.
Showing meanings only.
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Origin
Attested since about 1567, from Middle Dutch splitten and/or Middle Low German splitten ("to split"), both ultimately going back through Proto-West Germanic and Proto-Germanic *splītaną to Proto-Indo-European *(s)pley- ("to split, splice").
Checked 6 Nov 2026 · 3 facts
- The English word is attested from about 1567. en.wiktionary.org
- The proposed borrowing sources are Middle Dutch splitten and/or Middle Low German splitten, meaning 'to split'. en.wiktionary.org
- The proposed ancestry passes through Proto-West Germanic and Proto-Germanic *splītaną to Proto-Indo-European *(s)pley-, meaning 'to split, splice'. en.wiktionary.org