حيف1 حَافَ, aor. ـِ (S, Msb,) inf. n. حَيْفٌ, (S, Msb, K,) He (a judge, or any other person, Msb) acted wrongfully, unjustly, injuriously, or tyrannically, (S, Msb, K,) عَلَيْهِ against him: (S:) or, as some say, he inclined [to that which was wrong], or declined [from that which was right], in his judgment. (TA.) حَيْفُ النَّاحِلِ means A man's giving to certain of his children exclusively of others: he should treat them equally, and not prefer some before others. (T, TA.) 2 تَحْيِيفٌ The taking a thing, or something, from the side: and diminishing [from the side]. (KL.) 5 تَحَيَّفْتُهُ I took by little and little from its sides; (S, K;) as also تحوّفتهُ. (S.) حِيفَةٌ A side, or lateral part: pl. حِيَفٌ; (K;) which is likewise pl. of حَافَةٌ. (TA.) [See also حَائِفٌ, below.]حَائِفٌ Acting wrongfully, unjustly, injuriously, or tyrannically: (Lth, Msb, K: [in some copies of the K, حَائِرٌ is erroneously put for جَائِرٌ:] pl. حَافَةٌ (Msb, K) and حُيَّفٌ (K, Msb *) and حُيُفٌ. (TA.) b2:  An arrow declining from the right direction. (TA.) b3:  And, as being likened thereto, (tropical:)  An impotent man, who does not attain the object of his want. (TA.) A2:  The side of a mountain. (K, TA.) [See also حِيفَةٌ.]بَلَدٌ أَحْيَفُ, and أَرْضٌ حَيْقَآءُ, A district or the like, and a land, upon which rain has not fallen: (Ibn-'Abbád, K:) as though the rain treated it wrongfully. (TA.)