فحش

3 فاحشهُ ذ , (T in art. بذأ,) inf. n. مُفَاحَشَهٌ, (T and K in that art.,) [ He vied with him, or strove to surpass him, in foul, unseemly, gross, or obscene, speech or language: and he held such discourse with him: ] the inf. n. is syn. with مُبَاذَأَةٌ. (T and K in that art.)