abstruse, ambiguity, ambiguous, amiss, baffle, convolute, cryptic, elusive, equivocal, garbled, hearsay, immaterial, inaccurate, incomplete, inconclusive, indefinite, indeterminate, inexplicable, inscrutable, limbo, misconstrue, misdate, mistaken, muddied, mysterious, nebulous, nonexistence, obfuscate, obscure, overlook, pending, perfunctory, plausible, precarious, provisional, retract, seldom, skewed, speculative, unaccountable, unclear, unspecified, unwittingly, vague