11-Letter Nouns Starting With O
Here's the list of all the 514 11-Letter Nouns 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 Nouns (with Definitions and Examples) | |
|---|---|
| opportunity | 1. a possibility due to a favorable combination of circumstances More Definitions → |
| orientation | 1. the act of orienting 2. an integrated set of attitudes and beliefs More Definitions → |
| observation | 1. the act of making and recording a measurement 2. the act of observing; taking a patient look More Definitions → |
| observatory | 1. a building designed and equipped to observe astronomical phenomena 2. a structure commanding a wide view of its surroundings More Definitions → |
| overlapping | 1. covering with a design in which one element covers a part of another (as with tiles or shingles) More Definitions → |
| obstruction | 1. any structure that makes progress difficult 2. the physical condition of blocking or filling a passage with an obstruction More Definitions → |
| orthopaedic | More Definitions → |
| originality | 1. the ability to think and act independently 2. the quality of being new and original (not derived from something else) More Definitions → |
| orthopedics | 1. the branch of medical science concerned with disorders or deformities of the spine and joints More Definitions → |
| oscillation | 1. the process of oscillating between states 2. (physics) a regular periodic variation in value about a mean More Definitions → |
| objectivity | 1. judgment based on observable phenomena and uninfluenced by emotions or personal prejudices More Definitions → |
| origination | 1. an event that is a beginning; a first part or stage of subsequent events 2. the act of starting something for the first time; introducing something new More Definitions → |
| officiating | 1. the act of umpiring More Definitions → |
| obstructive | More Definitions → |
| overflowing | More Definitions → |
| orthodontic | More Definitions → |
| overheating | 1. excessive heating More Definitions → |
| overpayment | 1. a payment larger than needed or expected 2. the act of paying too much More Definitions → |
| optometrist | 1. a person skilled in testing for defects of vision in order to prescribe corrective glasses More Definitions → |
| ornithology | 1. the branch of zoology that studies birds More Definitions → |
| oxygenation | 1. the process of providing or combining or treating with oxygen More Definitions → |
| obfuscation | 1. confusion resulting from failure to understand 2. the activity of obscuring people's understanding, leaving them baffled or bewildered More Definitions → |
| orthography | 1. a method of representing the sounds of a language by written or printed symbols More Definitions → |
| occultation | 1. one celestial body obscures another More Definitions → |
| orchestrate | More Definitions → |
| opportunism | 1. taking advantage of opportunities without regard for the consequences for others More Definitions → |
| omnipotence | 1. the state of being omnipotent; having unlimited power More Definitions → |
| opportunist | 1. a person who places expediency above principle More Definitions → |
| outdoorsman | 1. a person who spends time outdoors (e.g., hunting or fishing) More Definitions → |
| orientalism | 1. the quality or customs or mannerisms characteristic of Asian civilizations More Definitions → |
| omniscience | 1. the state of being omniscient; having infinite knowledge More Definitions → |
| outbuilding | 1. a building that is subordinate to and separate from a main building More Definitions → |