catch on

verb

caught on; catching on; catches on

intransitive verb

1

: to become aware : learn

also : understand

didn't catch on to what was going on

2

: to become popular

this idea has already caught on

Synonyms of catch on

• realize
• discover
• see
• get on (to)
• hear
• learn

Examples of catch on in a Sentence

she caught on to the fact that they were planning a surprise party

he finally caught on to the concept of phototaxis

Recent Examples on the Web

Larsen, a wide receiver and safety, delivered with an impressive 10-yard touchdown catch on fourth down in the left corner of the end zone to cut the deficit to 14-9 in the fourth. — Alex Kushel, Sun Sentinel, 18 Sep. 2026

The humpback was caught on video spouting water while swimming close to shore. — Megan Fahrney, ABC News, 18 Sep. 2026

Glycerin, propanediol, and hyaluronic acid draw in moisture to keep dry skin looking smooth and bouncy, while emollients soften skin and prevent the formula from catching on flakes. — Christa Joanna Lee, Allure, 18 Sep. 2026

Among the highest-profile battles was against USC wide receiver Makai Lemon, who had two catches on three targets for 28 yards when Moore was covering him. — Colleen Kane, Chicago Tribune, 18 Sep. 2026

Word History

First Known Use

1882, in the meaning defined at sense 1

Rhymes for catch on

• anton
• argon
• axon
• baronne
• baryon
• baton
• boron
• buisson
• bygone
• capon
• cardon
• chiffon

Kids Definition

catch on

verb

1

: to realize something

they had been teasing me, and I never caught on

2

: to become popular

will the new style catch on