Category:Arabic verbs with explicitly unknown verbal nouns

Arabic verbs where the verbal noun is explicitly specified as '?', meaning unknown.

For Classical Arabic, this happens mostly with the verbal noun of form-I verbs and the active participle of form-I stative verbs (those whose past vowel is i or u). For these verbs there is no single consistent pattern for the form in question, and thus it needs to be specified explicitly. If it's no possible to determine the correct form from a dictionary and native speakers do not know it (particularly for obsolete terms), an override vn:? (for verbal nouns) or ap:? (for active participles) should be given, and the verb will be placed in this category.