what makes (someone) tick

idiom

Definition of what makes (someone) tick 

informal

: the things that cause someone to behave a certain way : the feelings, opinions, concerns, etc., that are parts of someone's personality I've always wondered what makes people like that tick.

Learn More about what makes (someone) tick

Share what makes (someone) tick

Resources for what makes (someone) tick

Statistics for what makes (someone) tick

Look-up Popularity

Comments on what makes (someone) tick

What made you want to look up what makes (someone) tick? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the figure or shape of a crescent moon

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!