فحش

fǒḥsh (inf. n. of فحش 'to be gross, or lewd, or indecent,' etc.), s.m. Gross, foul, immodest, lewd, or obscene, speech or language; grossness, obscenity (in word or deed), ribaldry, bawdry;—adj. Gross, indecent, obscene, etc. (e.g. fǒḥsh bāteṅ, 'foul or indecent language;' fǒḥsh kitāb, 'an obscene book').