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ostensible

[o-sten-suh-buh l] /ɒˈstɛn sə bəl/
adjective
1.
outwardly appearing as such; professed; pretended:
an ostensible cheerfulness concealing sadness.
2.
apparent, evident, or conspicuous:
the ostensible truth of their theories.
Origin
1720-1730
1720-30; < French < Latin ostēns(us), variant of ostentus (see ostensive) + French -ible -ible
Related forms
ostensibly, adverb
nonostensible, adjective
nonostensibly, adverb
unostensible, adjective
unostensibly, adverb
Can be confused
ostensible, ostensive.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un ostensible

ostensible

/ɒˈstɛnsɪbəl/
adjective
1.
apparent; seeming
2.
pretended
Derived Forms
ostensibility, noun
Word Origin
C18: via French from Medieval Latin ostensibilis, from Latin ostendere to show, from ob- before + tendere to extend
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for un ostensible
ostensible
1762, from Fr. ostensible, from L. ostensus, pp. of ostendere "to show," from ob "in front of" + tendere "to stretch" (see tenet).
Online Etymology Dictionary, © 2010 Douglas Harper
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