change(noun)

the process of becoming or making different

The town is undergoing change.

change(verb)

to make or become different

They have changed the time of the train; He has changed since I saw him last.

change(noun)

an instance of this

a change in the programme.

change(verb)

to give or leave (one thing etc for another)

She changed my library books for me.

change(noun)

a substitution of one thing for another

a change of clothes.

change(verb)

(sometimes with into ) to remove (clothes etc) and replace them by clean or different ones

I'm just going to change (my shirt); I'll change into an old pair of trousers.

change(noun)

coins rather than paper money

I'll have to give you a note; – I have no change.

change(verb)

(with into ) to make into or become (something different)

The prince was changed into a frog.

change(noun)

money left over or given back from the amount given in payment

He paid with a dollar and got 20 cents change.

change(verb)

to give or receive (one kind of money for another)

Could you change this bank-note for cash?

change(noun)

a holiday, rest etc

He has been ill; – the change will do him good.