can't help (something)

to not be able to control or stop something.

A lot of kids daydream in school. They just can't help it.

Usage notes: sometimes used in the form can't help but do something:

I couldn't help but notice that the table is a bit wobbly.

• pell-mell
• penchant for
• penchant for something
• pencil in
• pencil someone in
• pencil something in
• pen is mightier than the sword.
• penny ante
• penny drops
• penny for your thoughts.
• penny for your thoughts
• penny saved is a penny earned.
• penny wise and pound foolish
• pen pusher
• pen pushing
• People who live in glass houses .
• People who live in glass houses shouldn't throw stones.
• pep someone up
• pep something up
• pep talk
• pep up
• per capita
• perform miracles
• Perish the thought!
• perish the thought