con
Pluralcons
Pluralcons
- 1A disadvantage or a reason against something, especially when you compare it with its advantages.
One con of our small apartment is that it has no washing machine.
We made a list of pros and cons before we bought the car.
UsageSay the pros and cons.
Similardisadvantage, drawback, downside
- 2
- 3A big planned meeting where many people come together.
We dressed up as superheroes for the con this weekend.
She meets her online friends at a con every summer.
Similarconvention, conference
Note
- 4
- 5
- 6Alternative form of conn. To guide a ship by telling the person at the wheel how to steer.
The captain will con the ship through the narrow channel.
Only an experienced officer may con the boat into the harbor.
Note
- 7A person with conservative ideas about politics.
The cons were celebrating their party's win on election night.
At Thanksgiving, the cons and the liberals in my family argue about taxes.
UsageOften the libs and the cons.
Similarconservative, right-winger
Oppositeliberal, progressive
Note
Less common meanings
- 8Alternative form of conn. The job of giving steering orders on a ship, as in 'take the con'.
The captain told the young officer to take the con.
Who has the con while the captain is asleep?
Note
- 9To read or look at something carefully so you can learn it or remember it.
The hawk rested on a crag of the gorge and conned the terrain with a fierce and frowning eye.
1963, D'Arcy Niland, Dadda jumped over two elephants: short storiesHere, conned means studied or looked over carefully.I did not come into parliament to con my lesson. I had earned my pension before I set my foot in St. Stephen's chapel.
1795, Edmund Burke, Letter to a Noble Lord on the Attacks Made upon him and his PensionHere, con means study or learn by heart.Similarstudy, examine, peruse, scrutinize, memorize
Note
- 10Work that changes part of a building so it can be used in a new way.
Our neighbors are getting a loft con, so builders are there every day.
After the loft con, the kids will each have their own bedroom.
UsageUsually loft con.
Similarconversion
- 11To know or understand something, or to admit that it is true.
Of Muses Hobbinol, I conne no skill
1579, Immeritô [pseudonym; Edmund Spenser], The Shepheardes CalenderHere, conne means know or have, saying the speaker has no skill.Note
- 12A serious disease of the lungs, now called tuberculosis.
The doctor said the young miner had the con and must spend the winter somewhere warm.
In those days, many workers in the crowded tenements died of the con.
Note
- 13A squirrel, especially a red one.
Note
- 14A nest made by a squirrel.
Note
Showing meanings only.
Practice
Can you tell the meanings of con apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.
Origins
From the Old English word cunnan, meaning “to know” or “to know how”.
Checked 1 Nov 2026 · 2 facts
- Con derives from Old English cunnan. en.wiktionary.org
- Old English cunnan meant “to know” or “to know how”. en.wiktionary.org
Short for conservative.
Checked 1 Nov 2026 · 1 fact
- Con is a shortened form of conservative. en.wiktionary.org
Short for the Latin word contra, meaning “against”.
Checked 1 Nov 2026 · 2 facts
- Con is short for Latin contra. en.wiktionary.org
- Latin contra means “against”. en.wiktionary.org
Short for con trick, which comes from confidence trick.
Checked 1 Nov 2026 · 2 facts
- Con is short for con trick. en.wiktionary.org
- Con trick comes from confidence trick. en.wiktionary.org
From an older form of the word, cond.
Checked 1 Nov 2026 · 1 fact
- The nautical word con derives from the older form cond. en.wiktionary.org
Short for convention or conference.
Checked 1 Nov 2026 · 1 fact
- Con is short for convention or conference. ttabvue.uspto.gov
Short for conversion.
Checked 1 Nov 2026 · 1 fact
- Con is short for conversion. en.wiktionary.org
Short for consumption.
Checked 1 Nov 2026 · 1 fact
- Con is short for consumption. en.wiktionary.org
Nobody is sure where it comes from. It may be a short form of acquerne, an old English word for “squirrel”.
Checked 1 Nov 2026 · 3 facts
- The origin of con is uncertain. en.wiktionary.org
- Con may be a shortened form of acquerne. en.wiktionary.org
- Acquerne is a historical English word meaning squirrel; the lowercase phrase old English describes its age. en.wiktionary.org