عيب doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• عَابَ Form 1

  1 عَابَ ذ , (S, A, O, Msb, K,) aor. يَعِيبُ, (Msb,) inf. n. عَيْبٌ, (Msb, TA,) and مَعَابٌ and مَعِيبٌ are allowable as inf. ns., (S, O, TA,) It (a thing, A, TA, or an article of merchandise, S, O, Msb) was, or became, f…

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• عَيْبٌ

  عَيْبٌ ذ , (S, A, O, Msb, K,) an inf. n. used as a simple subst. (Msb,) and [which is also originally an inf. n. (S, O, Msb, K) and (S, O) and (S, O, Msb, K) and and . (S, O. K,) signify the same, (S, O, Msb, K,) i. e. […

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