افحش doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has an entry for it. Select the entry below for the full classical Arabic definition.

• افحش Form 4

  4 افحش ذ , (Msb, K,) or افحش فِى المَنْطِقِ, (S,) or فِى الكَلَامِ, (Mgh,) or فِى كَلَامِهِ, (A,) inf. n. إِفْحَاشٌ and , accord. to Lh and Kr, but the latter is correctly a simple subst. [used as an inf. n. of this verb…

  View in Lane's Lexicon →