1. a person who insists on a certain quality or type of behavior
Usage: often followed by ‘for’

Examples

• She’s a stickler for punctuality and arrives everywhere exactly on time.
• The teacher is a stickler for proper grammar in all written assignments.
• My boss is a real stickler for following company procedures.
• He’s not a stickler for tradition and welcomes new ideas.
• The coach is a stickler for discipline during practice sessions.
• She’s a stickler for detail and catches every small mistake.