Meaning of the word "food for thought" in English

What does "food for thought" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

food for thought

US /ˈfʊd fɔr θɔt/
UK /ˈfʊd fɔː θɔːt/
"food for thought" picture

Idiom

something that warrants serious consideration or reflection

Example:
His suggestion gave us all some serious food for thought.
The documentary provided much food for thought on environmental issues.