[], (Verb)

Definitions:
- To have excessively or unreasonably high expectations; to be conceited, arrogant, or presumptuous; to be too self-confident.

- To overrate or think too highly of. Also reflexive: to have too high an opinion of oneself.


Phrases:

Origin:
Middle English; earliest use found in Ayenbite of Inwyt. From over- + ween