Simple Definition of annihilate

from our Learner's Dictionary

annihilate

verb

annihilates; annihilated; annihilating
1
: to destroy (something or someone) completely
Bombs annihilated the city.
The enemy troops were annihilated.
2
: to defeat (someone) completely
He annihilated his opponent in the last election.

Cite this Entry

“Annihilate.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/annihilate. Accessed 24 Jun. 2026.

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