(an exclamation of surprise, wonder, pleasure, or the like)

Wow! Look at that!

to gain an enthusiastic response from; thrill.

an extraordinary success

His act is a real wow.

excitement, interest, great pleasure, or the like

a car that will add some wow to your life.

verb

bowl over * , break one up , charm , cheer , crack up * , entertain , go over big , kill * , knock dead , knock someone’s socks off , make laugh , make roll in the aisles , slay * , tickle , tickle pink , tickle to death , amazement , howl , pleasure , rave , send , smash , success , triumph

noun

sleeper