pe·rip·e·ty 
(pə-rĭpĭ-tē)
(pə-rĭpĭ-tē)n.
Peripeteia.
[French péripétie, from Greek peripeteia; see PERIPETEIA.]
- unnatural
- unnaturally
- unnaturalness
- unnecessarily
- unnecessary
- unnerve
- unnervingly
- unnoticeable
- unnoticeably
- unnumbered
- unobjectionable
- unobstructed
- unobtrusive
- unobtrusively
- unobtrusiveness
- unoccupied
- unofficial
- unofficially
- unopposed
- unorganized
- unoriginal
- unornamented
- unorthodox
- unorthodoxly
- unorthodoxy