Cotton on

usgb
verb

To understand or realise something.

It took him a while to cotton on that they were making fun of him.
Visual representation of "cotton on" - To understand or realise something

Often appears as...

  • cotton on to something
  • cotton on to the truth

Usage tips

Informal

Idiomatic

Definition 1 of 2
Visual representation of "cotton on"
LampPro Tip 1/3

Realization Delay

The phrase often implies a delayed understanding, suggesting it took time to 'cotton on'.

Illustration for Realization Delay
Everyone knew about the surprise party before he cottoned on.
LampPro Tip 2/3

Subtle Nuance

'Cotton on' can imply a gradual realization, not an instant one.

Illustration for Subtle Nuance
She slowly cottoned on to the hidden meaning in his words.
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Informal Use

This phrase is informal and more common in conversational English.

Illustration for Informal Use
I cottoned on to the joke late but still laughed.
Visual representation of the word "Cotton on"

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