Synonyms of unknown in English:

unknown

adjective

  • 1 the future is unknown
    uncertain, undisclosed, unrevealed, secret; undetermined, undecided, unresolved, unsettled, unsure, unascertained
    [Antonyms] decided
  • 2 unknown country
    unexplored, uncharted, unmapped, untraveled, undiscovered, unfamiliar, unheard of, new, novel, strange
    [Antonyms] familiar
  • 3 persons unknown
    [Antonyms] identified named
  • 4 unknown artists
    obscure, unrecognized, unheard of, unsung, overlooked, unheralded, minor, insignificant, unimportant
    [Antonyms] familiar
  • noun

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  • 1 the overseas ballots are a big unknown
    mystery, unknown quantity, uncertainty, ambiguity, variable, anyone's guess
    informal crapshoot
  • Definition of unknown in:

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    Word of the day flippant
    Pronunciation: ˈflɪp(ə)nt
    adjective
    not showing a serious or respectful attitude