Dictionary.com
Thesaurus.com
Synonyms

obscure

American  
[uhb-skyoor] / əbˈskyʊər /

adjective

obscurer, obscurest
  1. (of meaning) not clear or plain; ambiguous, vague, or uncertain.

    an obscure sentence in the contract.

    Synonyms:
    dubious, doubtful
    Antonyms:
    certain
  2. not clear to the understanding; hard to perceive.

    obscure motivations.

  3. (of language, style, a speaker, etc.) not expressing the meaning clearly or plainly.

  4. indistinct to the sight or any other sense; not readily seen, heard, etc.; faint.

    Synonyms:
    veiled
    Antonyms:
    clear, clear
  5. inconspicuous or unnoticeable.

    the obscure beginnings of a great movement.

  6. of little or no prominence, note, fame, or distinction.

    an obscure French artist.

    Synonyms:
    unknown, undistinguished
    Antonyms:
    conspicuous, noted
  7. far from public notice, worldly affairs, or important activities; remote; retired.

    an obscure little town.

    Synonyms:
    inconspicuous, secluded
  8. lacking in light or illumination; dark; dim; murky.

    an obscure back room.

    Synonyms:
    somber, shadowy, dusky
    Antonyms:
    bright
  9. enveloped in, concealed by, or frequenting darkness.

  10. not bright or lustrous; dull or darkish, as color or appearance.

  11. (of a vowel) having the reduced or neutral sound usually represented by the schwa (ə).


verb (used with object)

obscured, obscuring
  1. to conceal or conceal by confusing (the meaning of a statement, poem, etc.).

  2. to make dark, dim, indistinct, etc.

  3. to reduce or neutralize (a vowel) to the sound usually represented by a schwa (ə).

noun

  1. obscurity.

obscure British  
/ ˌɒbskjʊˈreɪʃən, əbˈskjʊə /

adjective

  1. unclear or abstruse

  2. indistinct, vague, or indefinite

  3. inconspicuous or unimportant

  4. hidden, secret, or remote

  5. (of a vowel) reduced to or transformed into a neutral vowel ( ə )

  6. gloomy, dark, clouded, or dim

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to make unclear, vague, or hidden

  2. to cover or cloud over

  3. phonetics to pronounce (a vowel) with articulation that causes it to become a neutral sound represented by ( ə )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a rare word for obscurity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See mysterious. See dark.

Other Word Forms

  • obscuration noun
  • obscuredly adverb
  • obscurely adverb
  • obscureness noun
  • subobscure adjective
  • subobscureness noun
  • unobscure adjective
  • unobscured adjective
  • unobscureness noun

Etymology

Origin of obscure

First recorded in 1350–1400; Middle English, from Old French oscur, obscur, from Latin obscūrus “dark”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Yet it shouldn’t obscure the reality of practical cooperation.

From The Wall Street Journal • Apr. 6, 2026

Conservative and liberal judges alike questioned the arguments of Solicitor Gen. John Sauer, who represented the administration, saying he relied on “some pretty obscure sources,” including precedents that dated back to Roman law.

From Los Angeles Times • Apr. 5, 2026

He questioned Sauer’s reliance on “Roman law sources” and other obscure citations while pointing out that more relevant, authoritative sources cut against his argument.

From Slate • Apr. 1, 2026

Months earlier, he had reunited with one of the policemen in the video, Stoll Watt, to announce an upcoming documentary into his obscure and eccentric life.

From BBC • Mar. 30, 2026

Art is, however, much more than decoration, for it is laden with meaning, even if that content is sometimes slender or obscure.

From "History of Art, Volume 1" by H.W. Janson