nebulous

Synonyms ambiguous, arcane, cryptic, dark, deep, Delphic, double-edged, elliptical (or elliptic), enigmatic (also enigmatical), equivocal, fuliginous, inscrutable, murky, mysterious, mystic, nebulous, occult, opaque

Related Words abstruse, esoteric, recondite; cloaked, concealed, disguised, masked, shrouded; beclouded, bedimmed, befogged, clouded, cloudy, dim, faint, foggy, fuzzy, hazy, indistinct, indistinguishable, misty, muddy, obfuscatory, obnubilated, obscurant (or obscurantic), shaded, shadowlike, shadowy, sphinxlike; indefinite, inexact, inexplicit, noncommittal, questionable, unclear, uncertain, undefined, undetermined, vague; impenetrable, incomprehensible, indecipherable, inexplicable; eerie (also eery), uncanny, weird; impalpable, inappreciable, intangible, invisible; unanswerable, unknowable; baffling, bewildering, confounding, confusing, mystifying, perplexing, puzzling, unfathomable; circuitous, indirect, roundabout; complex, complicated, difficult, obtuse

Near Antonyms comprehensible, fathomable, intelligible, knowable, legible, pellucid, understandable; bright, distinct, evident, self-evident, self-explanatory; certain, firm, strong, sure; defined, determined; direct, straightforward; definite, exact, explicit; appreciable, palpable, tangible, visible; blatant, patent, unmistakable

Antonyms accessible, clear, nonambiguous, obvious, plain, unambiguous, unequivocal

Synonyms blear, bleary, blurry, dim, foggy, fuzzy, gauzy, hazy, indefinite, indistinct, indistinguishable, misty, murky, nebulous, obscure, opaque, pale, shadowy, unclear, undefined, undetermined, vague

Related Words dark, dusky, gloomy; impalpable, inappreciable, intangible, invisible; hieroglyphic (also hieroglyphical), incomprehensible, indecipherable, indiscernible, inexplicable, mysterious, obfuscatory, puzzling

Near Antonyms bright, distinct, evident, obvious, plain; certain, firm, strong, sure

Antonyms clear, definite, pellucid