ostensibly

adverb

os·​ten·​si·​bly ä-ˈsten(t)-sə-blē How to pronounce ostensibly (audio)
ə-
Synonyms of ostensiblynext
1
: in a manner that conceals or may conceal what is true or real
The story is ostensibly fiction, but some of the events are based on real life.
… this was the first time that he had been ostensibly frank as to his purpose while really concealing it.Thomas Hardy
2
: to all outward appearances
Ostensibly, the reason for his visit was to see an old friend.
… invited me to come inside with him, ostensibly to say good-bye to the hippie friend but actually to smoke pot …Donna Tartt

Examples of ostensibly in a Sentence

The god of cleanliness is never satisfied. In America, the ostensibly egalitarian nature of society meant that cleanliness was used to mark status. Joanna Bourke, Harper's, April 2008
Budweiser and Miller, on the other hand, have eroded their credibility by launching brands ostensibly produced by microbreweries. They've been found out, with resulting customer cynicism. James R. Rosenfield, Demographics, December 1997
The day after Clinton made his seemingly proactive statement, he met with congressional leaders of both parties, ostensibly to press the case for military intervention. Michael Kelly, New Yorker, 19 Dec.1994
ostensibly a university student studying abroad, he was actually an espionage agent
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
When the dispute was resolved after the show was on the verge of being canceled, Thad was phased out, to be ostensibly replaced by Buck Taylor as Newly O’Brien, who remained through Gunsmoke’s 1975 cancellation after its 20th season. Mike Barnes, HollywoodReporter, 9 Jan. 2026 Both of the above are essential to the show’s endgame, ensuring that a sequence of unhinged kickers ostensibly meant to be devilish fun instead come across as mean-spirited and exploitative. Judy Berman, Time, 8 Jan. 2026 But maybe also frustrated that ostensibly winnable home fixtures against Brentford and bottom-of-the-table Wolverhampton Wanderers have yielded just one point. Greg O'Keeffe, New York Times, 8 Jan. 2026 But for one ostensibly fleeting night, the Knicks played Knicks basketball again. Kristian Winfield, New York Daily News, 8 Jan. 2026 See All Example Sentences for ostensibly

Word History

Etymology

ostensible + -ly entry 2

First Known Use

1765, in the meaning defined at sense 1

Time Traveler
The first known use of ostensibly was in 1765

Browse Nearby Words

Cite this Entry

“Ostensibly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ostensibly. Accessed 12 Jan. 2026.

Kids Definition

ostensibly

adverb
os·​ten·​si·​bly ä-ˈsten(t)-sə-blē How to pronounce ostensibly (audio)
ə-
: to all outward appearances : seemingly
a statement ostensibly true
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!