1. Not constricted physically or by extension psychologically
   "healthy unconstricted arteries"

See also: open

Antonym: constricted

• spitfire
• Spitsbergen
• spitter
• spitting
• spitting cobra
• spitting image
• spitting snake
• spittle
• spittle insect
• spittlebug
• spittoon
• spitz
• Spitzbergen
• spiv
• Spizella
• Spizella arborea
• Spizella passerina
• Spizella pusilla
• splanchnic
• splanchnic nerve
• splash
• splash around
• splash-guard
• splashboard
• splashdown