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.
The little black redaction squares that blanket the documents are ostensibly there to protect. Charlie Warzel, The Atlantic, 20 Dec. 2025 The Jazz-Sixers exhibition game, which featured the return of former KU coach Larry Brown of the Sixers and center Greg Ostertag of the Jazz, failed to sell out, ostensibly because stars Allen Iverson (Philly) and Karl Malone (Utah) were not available for the contest. Gary Bedore, Kansas City Star, 19 Dec. 2025 What’s missing from the discussion is how ostensibly accurate information is selected, framed and emphasized in ways that can shape public perception. Adrian Kuenzler, The Conversation, 19 Dec. 2025 When the files were released, a political scientist named Thomas Kelly discovered that the researchers, who were ostensibly neutral observers, actually wielded a profound level of influence over the Seekers. Shayla Love, New Yorker, 17 Dec. 2025 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 25 Dec. 2025.

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!