bleph·a·ro·spasm 
(blĕfə-rō-spăz′əm)
(blĕfə-rō-spăz′əm)n.
Spasmodic winking caused by the involuntary contraction of an eyelid muscle.
- obsequiousness
- obsequy
- observable
- observably
- observance
- observant
- observantly
- observation
- observational
- observationally
- observatory
- observe
- observer
- observingly
- obsess
- obsession
- obsessional
- obsessionally
- obsessive
- obsessive-compulsive
- obsessive-compulsive disorder
- obsessive-compulsive personality disorder
- obsessively
- obsessiveness
- obsessor