Definition of one of the only
- That was one of the only times I ever saw my father cry.
- This is one of the only places in the world where the plant is found.
: unquestionably the best : peerless
: alone in a class or category : sole
: having no brother or sister
: as a single fact or instance and nothing more or different : merely
: solely, exclusively
: at the very least
: with the restriction that : but
: and yet : however
: were it not that : except
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