overweening

adj

1. Unduly confident; (sometimes also) arrogant.

   “She wins one modeling contest in Montana and suddenly she’s overweening.”

   “Heere's an ouer-weening rogue.”

   “The offer freely given was freely accepted, this gentleman already standing high in their opinion from his conduct to the Count; nor could they doubt that Lady Anne had lost herself many years of pleasant, and probably profitable intercourse with him, from her own acrimony of temper and overweening pride of manners;[…]”

   “No success rendered him overweening and no disaster was ever known to stagger his firmness.”

   “The Senate was displaying an overweening hauteur as if it were the government.”

2. Exaggerated, excessive.

   “The idea that an overweening federal government is a threat to both freedom and equality (not to mention prosperity) goes back to Jefferson, James Madison, Patrick Henry and some other fairly respectable personages.”

noun

1. (archaic, countable, uncountable)An excessively high opinion of oneself or one’s abilities; presumption, arrogance.

   “Let us suppresse this over-weening [translating cuider], the first foundation of the tyrannie of the wicked spirit[…].”

verb

1. (form-of, gerund, participle, present)present participle and gerund of overween