Synonyms of unclear in English:

unclear

adjective

  • it was unclear how much fluid had leaked out
    uncertain, unsure, unsettled, up in the air, debatable, open to question, in doubt, doubtful, unpredictable, unforeseeable, incalculable, speculative;
    ambiguous, inexact, imprecise, inexplicit, ill-defined, equivocal, indefinite, vague, abstruse, puzzling, perplexing, mysterious, arcane, cryptic, obscure, confused, confusing, hazy, misty, foggy, fogged, clouded, lacking definition, nebulous
    informal iffy, dicey
    British informal dodgy
    [Antonyms] clear, evident, certain
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    Word of the day noisome
    Pronunciation: ˈnɔɪs(ə)m
    adjective
    having an extremely offensive smell