Bible Dictionary
CONCEIT
Conceit is an inflated opinion of one’s own wisdom or importance—being “wise in one’s own eyes.” Scripture warns against this kind of self-confident pride.
Definition
Conceit is an inflated opinion of one’s own wisdom or importance. It is the attitude of being wise in one’s own opinion or in one’s own eyes.
Biblical Usage
The New Testament warns against being wise in one’s own estimation, using language corresponding to the Old Testament expression “in his own eyes.”
Historical Bible Dictionaries
International Standard Bible Encyclopedia (ISBE)
<p>kon-set': An idiomatic rendering of a phrase, phronimoi en heautois, in Ro 11:25; 12:16; meaning literally, "wise with one's self," i.e. "in one's own opinion," or, as in parallel Old Testament passages (Pr 26:5,12 the Revised Version, margin), "in his own eyes" (Hebrew `ayin).</p>