- A slim-fitting dress with a straight narrow shape.直统紧身装：一件造型直且窄，适合体态苗条的人的衣服
- omnibuses
- omnidirectional
- omnidirectional radio range
- omnidirectional range
- omnifarious
- omnipotent
- omnipotents
- omnipresent
- omnirange
- omniscient
- omniscients
- omnisexual
- omnium-gatherum
- omnium–gatherum
- omnivor
- omnivore
- omnivore
- omnivores
- omnivorous
- Omolon
- O'More College of Design
- O'More College of Design
- Omotic
- omphali
- omphalos