cotton on
phrasal verb.phrasal verb. to finally understand something that was not obvious at first.
phrasal verb. to begin to understand or realize a fact, situation, or hidden meaning; often implies a delayed realization.
He finally cottoned on to the joke.
It took a few minutes for the audience to cotton on to the fact that the performance was a prank.
The authorities were slow to cotton on to the sophisticated tax evasion scheme being operated by the offshore firm.
- realize
- catch on
- figure out
- twig
- misunderstand
- miss the point
- Particles
- on
- Separability
- inseparable
- Pattern
- cotton + on + (to) + object
usually followed by the preposition 'to' and an object.
this is a British English phrasal verb; contrast it with 'catch on' which can mean both 'to understand' and 'to become popular'.
She cottoned on the secret.She cottoned on to the secret.the preposition 'to' is required between the phrasal verb and the object.
Last updated April 24, 2026