The bushes around my house need to be trimmed. They’re really getting too big. When you "trim" something you cut it, but not a lot. To trim something is to cut in small amounts:
You can use this word as a verb:
John trimmed the bushes around his house.
We’re going to trim our spending in order to save more money.
The government can’t trim its budget any further. It must start to raise taxes.
The company has to trim its workforce in order to make a profit this year.
She’s trimming her customer’s hair.
You can also use "trim" as a noun:
Vince didn’t want a lot of hair cut off so he asked the barber for a trim.
I’m going to give the bushes a trim today.
This tree needs a trim.
Sometimes this word is an adjective:
He looks fit and trim. (trim = no fat)
She has a trim waist. (She has a small waist. She doesn’t look fat.)