can't

verb — 3 senses

can't

verb

Etymology From can + -n't, since 1706 or earlier.

1

Cannot (negative auxiliary); be unable to; not have the ability to (whether due to lacking relevant strength or skill or knowledge or supplies, or due to logical impossibility, etc).

  • I can’t quite get it to work.
  • Shut up, can’t you?
3 more examples
  • The butler can’t be the murderer — he can't have killed her — because he was in London that evening.
  • To make Capons […] [S]ome for this Purpoſe make it their Buſineſs after Harveſt-time to go to Markets for buying up Chickens, and between Michaelmas and All-hollantide caponize the Cocks, when they have got large enough to have Stones [i.e., testes] of ſuch a Bigneſs that they may be pulled out; for if they are too little, it can't be done; […]1750, W[illiam] Ellis, The Country Housewife's Family Companion: Or Profitable Directions for Whatever Relates to the Management and Good Œconomy of the Domestick Concerns of a Country Life, According to the Present Practice of the Country Gentleman's, the Yeoman's, the Farmer's, &c. Wives, in the Counties of Hertford, Bucks, and Other Parts of England: Shewing how Great Savings may be Made in Housekeeping: … With Variety of Curious Matters … The Whole Founded on Near Thirty Years Experience, London: Printed for James Hodges, at the Looking-glass, facing St. Magnus Church, London-Bridge; and B. Collins, bookseller, at Salisbury, →OCLC, page 157:
  • Shepard: Mordin, walk away. Mordin: Can't do that, Shepard. Shepard: I don't have a choice here. Walk away, or I will fire.2012, BioWare, Mass Effect 3 (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Tuchanka:
2

To be forbidden to; to be not permitted to.

  • You can’t enter the hall without a ticket.
3

Euphemistic, Slang To be unwilling to; to not have the desire of; to don’t want to.

  • Will you come to dinner with us tonight? Can't; already have plans this evening.
Derived terms
Republicant, you can't say fairer than that
Coordinate terms
couldn't, mayn't, mightn't, oughtn't, shan't, shouldn't, won't, wouldn't

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.