hy·per·ex·ten·sion 
(hī′pər-ĭk-stĕnshən)
(hī′pər-ĭk-stĕnshən)n.
Extension of a bodily joint beyond its normal range of motion.
hy′per·ex·tend (-ĭk-stĕnd) v.
- straight and narrow
- straight angle
- straight-arm
- straight arrow
- straight-arrow
- straightaway
- straight chain
- straightedge
- straightedged
- straighten
- straightener
- straighten out
- straight face
- straight-faced
- circumscriptive
- circumsolar
- circumspect
- circumspection
- circumspectly
- circumstance
- circumstantial
- circumstantial evidence
- circumstantiality
- circumstantially
- circumstantiate