don't

American  

[dohnt] / doʊnt /

verb

1. contraction of do not.

2. Nonstandard except in some dialects. contraction of does not.

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noun

1. don'ts, customs, rules, or regulations that forbid something.

   The boss has a long list of don'ts that you had better observe if you want a promotion.

don't British  

/ dəʊnt /

contraction

1. do not

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Etymology

Origin of don't

First recorded in 1600–10

Compare meaning

How does dont compare to similar and commonly confused words? Explore the most common comparisons:

• don't vs. doesn't

Example Sentences

The only money rule I knew then was “Don’t overdraft your bank account.”

From Slate

Maybe it is a fear of failure: If we vulnerably put ourselves out there, as a family in need, and don’t raise enough, our missed goal will hang out for the whole internet to see.

From Slate

"Space regulations don't cover the new problems emerging - interference with astronomical observations, risk of collision in orbit, risk of stuff falling on our heads, and now it is becoming clear, atmospheric pollution," says Andy Lawrence, Professor of Astronomy at the University of Edinburgh.

From BBC

And while cruise lines obviously don’t aim to have an overbooking problem, experts say the lines count on a certain number of cancellations — and the math sometimes doesn’t work out.

From MarketWatch

For starters, don’t book during the most popular times to cruise, such as the summer or holiday periods.

From MarketWatch