- Deficient in light; dark.
- So faintly perceptible as to lack clear delineation; indistinct. See synonyms at dark.
- Indistinctly heard; faint.
- Linguistics. Having the reduced, neutral sound represented by schwa (ə).
- Far from centers of human population: an obscure village.
- Out of sight; hidden: an obscure retreat.
- Not readily noticed or seen; inconspicuous: an obscure flaw.
- Of undistinguished or humble station or reputation: an obscure poet; an obscure family.
- Not clearly understood or expressed; ambiguous or vague: “an impulse to go off and fight certain obscure battles of his own spirit” (Anatole Broyard). See synonyms at ambiguous.
- To make dim or indistinct: Smog obscured our view. See synonyms at block.
- To conceal in obscurity; hide: “Unlike the origins of most nations, America's origins are not obscured in the mists of time” (National Review).
- Linguistics. To reduce (a vowel) to the neutral sound represented by schwa (ə).
Something obscure or unknown.
[Middle English, from Old French obscur, from Latin obscūrus.]
obscurely ob·scure'ly adv.obscureness ob·scure'ness n.




