Definitions

1. noun

a puzzle or riddle that requires thought and mental effort to solve

“The math teacher gave her students a brainteaser to solve over the weekend.”

2. noun

something that puzzles or perplexes the mind

“The politician’s explanation of the economic plan was a brainteaser for many voters.”

3. verb

to present or propose a puzzle or riddle to someone

“She loves to braidinteasers to her friends during long car rides.”