Synonyms of unclear in English:

unclear


See definition of unclear

adjective

1‘it was unclear how much fluid had leaked out’

SYNONYMS
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