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Word of the Day Saturday, September 5, 2026

ostensible

/ɒsˈtɛnsɪbəl/ adjective · British & US
Valid in UKValid in US
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What does ostensible mean?

Ostensible is an adjective that describes something that appears or seems to be true or real, but may not necessarily be so. It is often used in formal or technical contexts to distinguish between apparent and actual truth. The word can also imply a sense of pretence or deception, suggesting that something is not as it seems. For example, a company's ostensible commitment to sustainability may be called into question when it is revealed that they have been polluting the environment. In everyday language, ostensible is often used to describe situations where appearances can be deceiving. It is a useful word for adding nuance and complexity to one's language, and for highlighting the potential disconnect between appearance and reality. Overall, ostensible is a versatile and interesting word that can add depth and meaning to a wide range of contexts.

adjective

Appearing or seeming to be so; apparently true or real, but possibly not.

Senses
  1. Appearing or seeming to be so; apparently true or real, but possibly not.
Example

"The ostensible reason for the delay was a technical issue, but many suspected it was a deliberate tactic."

More examples

"The company's ostensible commitment to sustainability was called into question when it was revealed they had been polluting the environment for years."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of ostensible

The word ostensible comes from the Latin ostendere, meaning 'to show' or 'to display'. It entered the English language in the 15th century and has been used to describe appearances or seeming truths ever since. The word is closely related to other English words such as 'ostentatious' and 'ostentation', which describe excessive or showy displays of wealth or status.

How ostensible is actually used

In formal or technical contexts, ostensible is often used to distinguish between apparent and actual truth. It can also imply a sense of pretence or deception.

What's another word for ostensible?

What's the opposite of ostensible?

Rhymes with ostensible