9-Letter Words Starting With OP

Here's the list of all the 83 9-Letter Words Starting With OP 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 Words (with Definitions and Examples)
operating
1. involved in a kind of operation
2. being in effect or operation
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operation
1. the state of being in effect or being operative
2. a business especially one run on a large scale
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operative
1. a person secretly employed in espionage for a government
2. someone who can be employed as a detective to collect information and assist in criminal investigations
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oppressed
1. burdened psychologically or mentally
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optometry
1. the practice of an optometrist
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9-Letter Words Starting With OP