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ob·scure / əbˈskyoŏr/ • adj. (-scur·er , -scur·est ) not discovered or known about; uncertain: his origins and parentage are obscure. ∎  not clearly expressed or easily understood: obscure references to Proust. ∎  not important or well known: an obscure religious sect. ∎  hard to make out or define; vague: fig. I feel an obscure resentment. ∎  (of a color) not sharply defined; dim or dingy. • v. [tr.] keep from being seen; conceal: gray clouds obscure the sun. ∎  make unclear and difficult to understand: the debate has become obscured by conflicting ideological perspectives. ∎  overshadow: none of this should obscure the skill, experience, and perseverance of the workers. DERIVATIVES: ob·scu·ra·tion / ˌäbskyəˈrāshən/ n. ob·scure·ly adv. ORIGIN: late Middle English: from Old French obscur, from Latin obscurus ‘dark,’ from an Indo-European root meaning ‘cover.’

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