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1. To remove by cutting some small piece of someone or something else. A noun or pronoun can be used between "trim" and "off." I just want to trim off some of your hair in the back—I promise I won't do anything drastic! I decided to trim off my mustache.
2. To excise some element or aspect abruptly or suddenly. A noun or pronoun can be used between "trim" and "off." The company was forced to trim off healthcare benefits for its employees in order to stay afloat. My editor trimmed nearly 200 pages off my book, calling them "unnecessary"!
3. To shed body fat (from some part of one's body), as through dieting or exercising. A noun or pronoun can be used between "trim" and "off." I'd love to trim a couple pounds off my waist before my wedding. This is one of the best ways to trim off that stubborn belly fat.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
trim something off (of) someone or somethingand trim something off
to cut something off someone or something. (Of is usually retained before pronouns.) I asked the barber to trim the beard off of Ralph. The barber trimmed off Ralph's beard.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To remove some excess by or as if by cutting: I trimmed off the rotten wood. The barber will trim my bangs off.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.