Definition of a or one hundred percent in English:

a (or one) hundred percent

  • 1Entirely; completely: I’m one hundred percent sure
    More example sentences
    • Addressing a packed press conference he said: ‘I am one hundred per cent responsible for this loss.’
    • It has its advantages, but I don't think it's a hundred per cent a good thing.
  • 1.1 [usually with negative] informal Completely fit and healthy: I wasn’t exactly one hundred percent
  • 1.2 informal Maximum effort and commitment: he always gave one hundred percent for the team
    More example sentences
    • However for the last 3-4 years it seems that giving a hundred per cent is an occasional bonus.
See parent entry: hundred

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space