base opinion on

base (one's) opinion on (someone or something)

To found or root one's view of something or someone on a particular idea or occurrence. Unfortunately, I think she based her opinion of me entirely on one wild night out together. I'm basing my opinion on the facts, and nothing else. Are you just basing your opinion on what your parents have said about the issue?

See also: base, on, opinion

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

base one's opinion on something

to make a judgment or form an opinion from something. You must not base your opinion on one bad experience. I base my opinion on many years of studying the problem.

See also: base, on, opinion

McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.