American English

Definition of under adverb from the Oxford Advanced American Dictionary



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  1. 1below something He pulled up the covers and crawled under.
  2. 2below the surface of water She took a deep breath and stayed under for more than a minute. The boat was going under fast.
  3. 3less; younger prices of ten dollars and under children aged 12 and under
  4. 4in or into an unconscious state He felt himself going under.
See the Oxford Advanced Learner's Dictionary entry: under