Source : 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.

Source : WordNet®

ostentatiously
     adv : in an ostentatious manner; "Mr Khrushchev ostentatiously
           wooed and embraced Castro at the U.N. general assembly"
           [syn: {showily}, {with ostentation}]