16 Letter Adjectives Starting with OP

Explore 8 verified English 16 letter adjectives that start with OP, including Ophthalmological, Operationalistic, Opisthopulmonate, Opisthographical, Ophthalmophorous, Oppositipetalous and Ophioglossaceous. Browse these describing words and descriptive modifiers below, or check adjective order and comparative rules in our adjective grammar guide.

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Starts with OPE
1 words
operationalistic
Starts with OPH
3 words
ophthalmological
ophthalmophorous
ophioglossaceous
Starts with OPI
2 words
opisthopulmonate
opisthographical
Starts with OPP
2 words
oppositipetalous
oppositisepalous

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