Definition of out- prefix from the Oxford Advanced Learner's Dictionary



    BrE BrE//aʊt//
    ; NAmE NAmE//aʊt//
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  1. 1(in verbs) greater, better, further, longer, etc. outnumber outwit outgrow outlive
  2. 2(in nouns and adjectives) outside; outward; away from outbuildings outpatient outlying outgoing More Like This Prefixes a-, ante-, anti-, be-, co-, de-, demi-, dis-, en-, ex-, extra-, hyper-, hypo-, il-, in-, infra-, inter-, intra-, mis-, non-, off-, oft-, out-, over-, para-, post-, pre-, pro-, re-, retro-, semi-, sub-, trans-, ultra-, un-, under-, up-See worksheet.
See the Oxford Advanced American Dictionary entry: out-