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rough

adjective [before noun] (NOT EXACT)
 
 
/rʌf/

Definition

B1 not exact or detailed: The builder did a rough sketch of how the new stairs would look. This is only a rough guess. She made a rough estimate/calculation of the likely cost. The tests are a rough guide to students' progress. → Synonym approximate adjectiveApproximate roughness
 
 
/ˈrʌf.nəs/ noun [U]
(Definition of rough adjective (NOT EXACT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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