OSTENTATIOUSLY

ostentatiously, showily

(adverb) with ostentation; in an ostentatious manner; “Mr Khrushchev ostentatiously wooed and embraced Castro at the U.N. general assembly”

Source: WordNet® 3.1

Etymology

Adverb

ostentatiously (comparative more ostentatiously, superlative most ostentatiously)

In an ostentatious manner; extravagantly or flamboyantly.

Source: Wiktionary

OSTENTATIOUS

Os`ten*ta"tious, a.

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition