sneak·er 
(snēkər)
(snēkər)n.
1. One who sneaks.
2. A shoe designed for outdoor activity, usually made of canvas with a rubber sole. Also called tennis shoe.
- op art
- op. cit.
- OPEC
- op-ed
- open
- open-access
- open admissions
- open adoption
- open-air
- open-and-shut
- open-ballot voting
- open chain
- open city
- open classroom
- open cluster
- open court
- open door
- open-door
- open-end
- open-ended
- open-endedly
- open-endedness
- open-end investment company
- open-end wrench
- open enrollment