6228. Synonym of SPECIOUS

✅ The correct answer is option A.
Insincere : not expressing genuine feelings.

Sharp : (of an object) having an edge or point that is able to cut or pierce something.

Straight : extending or moving uniformly in one direction only; without a curve or bend.

Frank : open, honest, and direct in speech or writing, especially when dealing with unpalatable matters.

Specious : misleading in appearance, especially misleadingly attractive.

Synonym of Specious is Insincere