DictionaryAI

second

SaySEK-uhnd/ˈsɛk.(ə)nd//ˈsɛkənd/

Noun pluralseconds

25 meanings of second

Practice

  1. 1
    2nd in orderadjective
    Coming immediately after the first in order, or next after the first in rank, value or importance.

    She lives on the second floor of the apartment building.

    The second chapter explains how the experiment was set up.

    UsageUsually the second: the second chapter. Every second day means every other day.

  2. 2
    part of a minutenouncountable
    A unit of time equal to one sixtieth of a minute, serving as the base unit for measuring duration.

    The stopwatch timed her sprint to the hundredth of a second.

    The instrument records temperature data every few seconds.

    UsageCommon phrases: a split second, a fraction of a second, metres per second.

    Note

    The name is a leftover from a Medieval Latin phrase, secunda pars minuta, the "second diminished part" of the hour. Dividing the hour by sixty gave the minute, and dividing again gave the second. The International System of Units now ties it to the caesium-133 atom. It anchors a ladder of units running from yoctosecond and nanosecond up to kilosecond and beyond.

    Checked 31 Oct 2026 · 4 facts

    • The time-unit name derives from Medieval Latin secunda pars minuta, meaning the second diminished part of the hour. en.wiktionary.org
    • The minute and second represent successive divisions of the hour into sixty parts. nist.gov
    • The SI definition of the second is tied to the caesium-133 atom. bipm.org
    • SI prefixes produce smaller and larger units based on the second, including yoctoseconds, nanoseconds and kiloseconds. bipm.org
  3. 3
    anotheradjective
    Being another of the same kind as one that came before.

    The mayor announced a second round of funding for local schools.

    They opened a second branch after the first one thrived.

    UsageOften used with a: a second chance, a second branch. Before a famous name: a second Daniel.

    Similaradditional, further, extra, new

    Note

    Paired with a famous name, it announces a successor: a second Daniel, a second Katrina. In Shakespeare's Merchant of Venice, "a second Daniel" hails a judge as wise as the biblical one. A storm called "the second Hurricane Katrina" carries dread instead. The phrase means "a new one of the same kind," and its tone comes entirely from the original being named.

    Checked 30 Oct 2026 · 3 facts

    • The Merchant of Venice is a work by William Shakespeare. folger.edu
    • In The Merchant of Venice, "a second Daniel" praises a judge's wisdom. folger.edu
    • The comparison invokes the biblical Daniel's wisdom in judgment. vatican.va
  4. 4
    short whilenouncolloquialcountable
    A brief, unspecified amount of time.

    Hang on a second while I grab my coat.

    It only took a second for everything to change.

    UsageSet phrases: just a second, wait a second, hang on a second, in a second.

    Similarsec, instant, jiffy

  5. 5
    adverb
    In the position after the first, in order, rank, or time; also, as the second point in a list (secondly).

    Their entry placed second among more than forty submissions.

    He ranked second on the leaderboard going into the final round.

    UsageBefore superlatives: the second largest, the second most common. Also come second, finish second.

  6. 6
    nouncountable
    The person or thing that comes second in a series, or second place in a race or contest.

    Among the five films, the second drew the largest audience.

    The first sample was clean, but the second showed contamination.

  7. 7
    one more gonouncountable
    A renewed attempt to accomplish what should have been done the first time, often succeeding this time around.
    I'll have one chance to show them that's no longer true. One chance ... and if I stumble, I'll not get a second.
    2011, Karen Miller, The Innocent Mage
    Smoky Joe ran against a Houston horse named Cherokee Chief. “Don't hit him,” Jeanine said to the jockey. “Maybe once. But you don't get a second.”
    2009, Paulette Jiles, Stormy Weather

    UsageOften in the negative, with chance understood: you don't get a second. The full phrase is second chance.

    Note

    Karen Miller's The Innocent Mage uses it as a warning that the first try is the only one. Compare second-guess, which looks back at a choice rather than forward to a retry.

    Checked 3 Nov 2026 · 2 facts

    • Karen Miller wrote The Innocent Mage. littlebrown.co.uk
    • The novel uses “a second” to mean another chance, in a warning that failure will leave no further attempt. en.wiktionary.org

Practice

Can you tell the meanings of second apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origins

Meanings 1, 3, 5–7, 9–13, 16, 20, 22

From Middle English second, borrowed from Old French second, from Latin secundus ("following, next in order"), which comes from the root of sequor ("I follow") and ultimately from Proto-Indo-European *sekʷ- ("to follow"). It replaced the native word other in this sense.

Checked 1 Nov 2026 · 5 facts

  • English second comes from Middle English second, borrowed from Old French second, from Latin secundus meaning following or next in order. en.wiktionary.org
  • Latin secundus comes from the root of sequor. en.wiktionary.org
  • Latin sequor means I follow. en.wiktionary.org
  • The ultimate root is Proto-Indo-European *sekʷ-, meaning to follow. en.wiktionary.org
  • Second replaced native other as the ordinary ordinal word. en.wikipedia.org
Meanings 2, 4, 17

Medieval Latin secunda, short for the phrase secunda pars minuta, literally the "second diminished part" of the hour, passed into Old French as seconde, and Middle English borrowed it from there as seconde.

Checked 1 Nov 2026 · 3 facts

  • Medieval Latin secunda was short for secunda pars minuta. en.wiktionary.org
  • The phrase literally means the second diminished part of the hour. en.wikipedia.org
  • Old French seconde derives from Medieval Latin secunda, and Middle English borrowed it as seconde. en.wiktionary.org
Meanings 8, 14–15, 18–19, 21, 23

From Middle French seconder, from Latin secundō ("assist, make favorable").

Checked 1 Nov 2026 · 2 facts