We found one dictionary that defines the word ostentatively:

General (1 matching dictionary)

1. ostentatively: Wiktionary

Definitions from Wiktionary (ostentatively) ▸ adverb:  Synonym of ostentatiously ▸ Words similar to ostentatively ▸ Usage examples for ostentatively ▸ Idioms related to ostentatively ▸ Wikipedia articles (New!) ▸ Words that often appear near ostentatively ▸ Rhymes of ostentatively ▸ Invented words related to ostentatively