Meaning of the word stickler in English

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

stickler

US /ˈstɪk.lɚ/
UK /ˈstɪk.lər/

Noun

a person who insists on a certain quality or type of behavior

Example:
He's a real stickler for accuracy.
My boss is a stickler for punctuality.