: a very high, large wave in the ocean that is often caused by strong winds or an earthquake
: a very large amount of something
What made you want to look up tidal wave? Please tell us where you read or heard it (including the quote, if possible).
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes