Synonyms of 'outlast'
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If one person outlives another, they are still alive after the second person has died. If one thing outlives another thing, the first thing continues to exist after the second has disappeared or been replaced.
I'm sure Rose will outlive us all.
Thesaurus for outlast from the Collins English Thesaurus
If one thing outlasts another thing, the first thing lives or exists longer than the second.