ostensible

/ɒˈstɛns.ɪ.bəl/

//ɒˈstɛns.ɪ.bəl// adj

"ostensible" is a 10-letter English headword indexed on PlainSpell.

The verdict

“ostensible” is an uncommon English word, ranked #53,151 in English word frequency and used as an adjective.

#53,151
frequency rank, English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Apparent, evident; meant for open display.

Key facts for ostensible
PropertyValue
Headwordostensible
LanguageEnglish
Part of speechAdjective
IPA/ɒˈstɛns.ɪ.bəl/
Letters10
Frequency rank#53,151
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ostensible” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ostensible lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for ostensible is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ɒˈstɛns.ɪ.bəl/. Corpus data places it at rank #53,151 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for ostensible, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed from French ostensible, formed with the suffix -ible, from Latin ostensus, the past participle of ostendō (“show”), itself from obs- (“in front of”) (akin to ob- (“in the way”)) + tendō (“stretch”) (akin to Ancient Greek τείνω (teínō)). Cf. also Me… The correct English form is ostensible, spelled O-S-T-E-N-S-I-B-L-E.

Definition

  1. 1
    Apparent, evident; meant for open display.
  2. 2
    Appearing as such; being such in appearance; professed, supposed (rather than demonstrably true or real).

Etymology

Borrowed from French ostensible, formed with the suffix -ible, from Latin ostensus, the past participle of ostendō (“show”), itself from obs- (“in front of”) (akin to ob- (“in the way”)) + tendō (“stretch”) (akin to Ancient Greek τείνω (teínō)). Cf. also Medieval Latin ostensibilis.

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ostensible"?
"ostensible" is spelled O-S-T-E-N-S-I-B-L-E. The IPA pronunciation is /ɒˈstɛns.ɪ.bəl/.
What does "ostensible" mean?
As an adjective, "ostensible" means: Apparent, evident; meant for open display.
How do you pronounce "ostensible"?
The IPA (International Phonetic Alphabet) transcription for "ostensible" is /ɒˈstɛns.ɪ.bəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "ostensible"?
Borrowed from French ostensible, formed with the suffix -ible, from Latin ostensus, the past participle of ostendō (“show”), itself from obs- (“in front of”) (akin to ob- (“in the way”)) + tendō (“stretch”) (akin to Ancient Greek τείνω (teínō)). C... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “ostensible”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is O-S-T-E-N-S-I-B-L-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ɒˈstɛns.ɪ.bəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list