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English definition of “rough”

rough

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