dime
noun [ C ]
uk/daɪm/ us MONEY
an American or Canadian coin that is worth ten cents:
I gave the boy two dimes to buy himself some candy.
used in expressions to refer to a very small amount of money:
All these suggestions will help boost your employees' morale and won't cost a dime.
He has always paid his own way and never asked me for a single dime.
Compare
penny
be a dime a dozen US informal ( UK be two/ten a penny)
to be very common or of very little value:
Good ideas are a dime a dozen. It's putting them into practice that's the difficult part.
See also
five and dime