PURPOSE›If you use something, you do something with it for a particular purpose: Can I use your pen?I paid for the tickets using my credit card.She uses her car for work.[+ to do sth]Nick used the money to buy a CD player.
MAKE LESS›to take an amount from a supply of something: A shower uses less water than a bath.
PERSON›to treat someone badly in order to get what you want: He was just using me to make his girlfriend jealous.
WORD›to say or write a particular word or phrase: 'Autumn' is used in British English and 'fall' in American English.
could use sthmainly USinformal›something that you say when you want or need something: I could use some help with these packages, please.