filter

[fil-ter] / ˈfɪl tər /

VERB

separate to refine; seep through

Synonyms

STRONGEST

clean drain dribble leak penetrate percolate permeate refine sift trickle winnow

STRONG

clarify distill escape exude filtrate metastasize ooze purify screen sieve strain

WEAK

osmose soak through

Antonyms

STRONGEST

dirty pour

STRONG

pollute

WEAK

collect combine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Clean or replace your system’s filter every one to three months to keep efficiency high.

From MarketWatch • Jun. 29, 2026

If you’re looking to filter out the worst of Big Tech influences, the Dow does accomplish that.

From Barron's • Jun. 24, 2026

The way in which I don’t have a filter could be my greatest strength, or it could be the thing that leads to my downfall.

From Los Angeles Times • Jun. 18, 2026

I didn’t even take any in, just let it filter against me and felt how hot it was.

From "It’s Kind of a Funny Story" by Ned Vizzini

Vocabulary lists containing filter

"The Scholarship Jacket" by Marta Salinas

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Mechanical Engineering

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Civil Engineering

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