Definition of tidal wave
- a tidal wave of tourists
a tidal wave of emotion
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tidal wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a very high, large wave in the ocean that is often caused by strong winds or an earthquake
: a very large amount of something
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