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English definition of “uncommon”

uncommon

adjective uk   /ʌnˈkɒm.ən/ us    /-ˈkɑː.mən/

uncommon adjective (NOT FREQUENT)

C1 not seen, happening, or experienced often: Accidents due to failure of safety equipment are uncommon nowadays. It's not uncommon for people to become ill when they travel.Unknown and unfamiliar

uncommon adjective (EXTREME)

old-fashioned formal describes a quality, especially a human quality, that is larger in amount or degree than usual: a woman of uncommon beautyBig and quite bigEnormous
(Definition of uncommon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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