Webster’s Revised Unabridged Dictionary · 1913
Ostentatious
Os′ten·ta′tious, a. Fond of, or evincing, ostentation; unduly conspicuous; pretentious; boastful.
Far from being ostentatious of the good you do. Dryden.
The ostentatious professions of many years. Macaulay.
— Os′ten·ta′tious·ly, adv. — Os′ten·ta′tious·ness, n.