13-Letter Adjectives Starting With O

Here's the list of all the 53 13-Letter Adjectives Starting With O in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Adjectives (with Definitions and Examples)
objectionable
1. causing disapproval or protest
2. liable to objection or debate; used of something one might take exception to
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observational
1. relying on observation or experiment
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opportunistic
1. taking immediate advantage, often unethically, of any circumstance of possible benefit
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13-Letter Adjectives Starting With O