American English

Definition of over- prefix from the Oxford Advanced American Dictionary



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  1. 1(in nouns, verbs, adjectives, and adverbs)
  2. 2 more than usual; too much overproduction overload overoptimistic overconfident overanxious
  3. 3completely overjoyed
  4. 4upper; outer; extra overcoat overtime
  5. 5over; above overcast overhang
See the Oxford Advanced Learner's Dictionary entry: over-