ثُنْيَانٌ

The second chief; the person who comes second as a chief; (A'Obeyd, T;) the person who is [next] below the سَيِّد, (S, M, K, [in some copies of the K, erroneously, سيل,]) in rank; (S;) as also ↓ ثِنًى (A'Obeyd, T, S, M, K) and ↓ ثُنًى (A'Obeyd, T, S, K) and ↓ ثِنْىٌ: (K:) plural (of the first, S) ثِنْيَةٌ [which is also a singular, mentioned above]. (S, K.) [See an example in a verse cited voce بَدْءٌ.]

A man having no judgment nor intelligence, or understanding. (M, K.)

Applied to judgment, or an opinion, (M, K,) (tropical:) Wrong, or having a wrong tendency; (M;) bad, corrupt, unsound, or wrong. (K, TA.)

-A2- Also a plural of ثَنِىٌّ [q. v.]. (S, M, &c.)