'overweening' definitions:

Definition of 'overweening'

From: WordNet
adjective
Unrestrained, especially with regard to feelings; "extravagant praise"; "exuberant compliments"; "overweening ambition"; "overweening greed" [syn: excessive, extravagant, exuberant, overweening]
adjective
Presumptuously arrogant; "had a witty but overweening manner"; "no idea how overweening he would be"- S.V.Benet; "getting a little uppity and needed to be slapped down"- NY Times [syn: overweening, uppity]

Synonyms of 'overweening'

From: Moby Thesaurus