overween

verb3

1. •
   To think too highly or arrogantly of (oneself).

   • The clouds on Futurity Day bore out in a general way this prognostication. But he overweened himself. — 2005
2. •
   To make or render arrogant and overweening.

   • There is, I suppose, the cheap drama of man sticking his nose into an area where it does little good except to expand his already overweened vanity. — 1987
3. •
   (nonstandard) To overwhelm.

   • The invasion of a vast enemy host upon the unprepared is unstoppable; the huge phalanx of tanks overweens our small army of trucks and rifles; […] — 2003