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English definition of “ostensible”

ostensible

adjective [not gradable]  /ɑˈsten·sə·bəl/ us  
appearing or claiming to be one thing when it is really something else: Rous published 60 scientific papers after his ostensible retirement.
ostensibly
adverb [not gradable]  /ɑˈsten·sə·bli/ us  
If the engine on an ostensibly low-mileage car is filthy, it may have higher mileage than it seems.
(Definition of ostensible from the Cambridge Academic Content Dictionary © Cambridge University Press)
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