شَكِسَ, (T, Ṣ, Mṣb, TA,) aor. ـَ {يَشْكَسُ}, inf. n. شَكَسٌ (T, Mṣb, TA) and شَكَاسَةٌ; (T, Ṣ, Mṣb, TA;) or شَكُسَ, aor. ـُ {يَشْكُسُ}, (O, Ḳ, TA,) inf. n. شَكَاسَةٌ; (O;) He was, or became, refractory, untractable, perverse, stubborn, or obstinate, in disposition: (Ṣ, O, Ḳ:) or hard in disposition, or illnatured, in behaviour or dealing: (TA:)or evil in disposition, or illnatured, and very perverse or cross or repugnant and averse; syn. شَرِسَ. (Mṣb, TA.*)

شاكسهُ He treated him, or behaved towards him, with hardness, harshness, or illnature. (O, Ḳ.)

تشاكسوا They treated, or behaved towards, one another with hardness, harshness, or illnature; or disagreed, one with another; in buying or selling: (IDrd, O, TA:) or they treated, or behaved towards, one another with contrariety, or opposition. (Ḳ,* TA.) [Hence,] اللَّيْلُ وَالنَّهَارُ يَتَشَاكَسَانِ ‡ The night and the day are opposed to each other: (TA:) or alternate. (Az, A, O, TA.)

شَكْسٌ: see شَكِسٌ.

مَحَلَّةٌ شَكْسٌ † A strait place of alighting or abode. (TA.)

الشَّكْسُ A day, or two days, before the new moon; i. q. المُحَاقُ. (AA, O, Ḳ.)

شَكِسٌ, (Fr, Ṣ, Mṣb, Ḳ,) orشَكْسٌ↓, (Ṣ,) andشَكُسٌ↓, (Ḳ,) the first agreeable with analogy, (Ṣ,) A man (Ṣ) refractory, untractable, perverse, stubborn, or obstinate, in disposition: (Ṣ, Ḳ:) or hard in disposition, or illnatured: (TA:) or evil in disposition, or illnatured, and very perverse or cross or repugnant and averse; syn. شَرِسٌ: (Mṣb:) andشِكْسٌ↓ andمِشْكَسٌ↓ are likewise epithets applied [in the same sense, but the latter having an intensive signification,] to a man: (IAạr, TA:) pl. شُكْسٌ; (Ṣ, Ḳ;) a pl. of the first or third; (Ḳ;) or of the second, like as صُدْقٌ is pl. of صَدْقٌ. (Ṣ.)

Also the first, ‡ Niggardly; tenacious; avaricious. (Ḳ.)

مُتَشَاكِسُونَ (Ḳur xxxix. 30) Disagreeing, one with another; (A,* Ḳ,* TA;) and behaving with hardness, harshness, or illnature: (A:) or disputing, or contending, together. (TA.) [See the verb, 6.]