10-Letter Words Starting With O

Here's the list of all the 1291 10-Letter Words 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 Words (with Definitions and Examples)
operations
1. financial transactions at a brokerage; having to do with the execution of trades and keeping customer records
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originally
1. in an manner suggesting originality
2. with reference to the origin or beginning
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occupation
1. the principal activity in your life that you do to earn money
2. the control of a country by military forces of a foreign power
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obligation
1. the social force that binds you to the courses of action demanded by that force
2. the state of being obligated to do or pay something
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opposition
1. the action of opposing something that you disapprove or disagree with
2. the relation between opposed entities
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10-Letter Words Starting With O