Definition of extinct
- an extinct volcano
- an extinct animal
- an extinct title
Many of these old traditions have since become extinct.
a few overgrown ruins are all that remain of that once mighty but now extinct civilization
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'extinct.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: no longer existing
: no longer active
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