ضَالٌّ
1.
Erring, straying, or going astray; deviating from the right way or course, or from that which is right; missing, or losing, the right way; or losing his way; (S, * Msb, TA;) and
ضَلُولٌ is synonym therewith; (K;) [or rather with ضِلِّيلٌ, according to a general rule:] plural of the former ضُلَّالٌ, [of which see an example in a verse cited voce رِسْلٌ,] and ضُالُّونَ: [in the Qur'an, 1, last verse,] some read وَلَا الضَّأَلِّينَ, to avoid the concurrence of two quiescent letters. (TA.) You say ضَالٌّ
تَالٌّ; (S, O;) in which the latter epithet is an imitative sequent. (S and K in article تل.)
2.
[Also Becoming lost; &c.
3.
And Forgetting. It is said that] وَأَنَا مِنَ الضَّالِّينَ [in the Qur'an, 26:19 means (assumed tropical:) I being of those that forgot. (K, TA.) And اِمرَأَةٌ ضَالَّةٌ means (assumed tropical:) A woman forgetting the days of her menstruation. (Mgh.)