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

See also: open

Antonym: constricted

• bestride
• bestseller
• bestubbled
• besuited
• bet
• bet on
• beta
• beta blocker
• beta blocker eyedrop
• beta cell
• Beta Centauri
• Beta Crucis
• beta decay
• beta endorphin
• beta globulin
• beta iron
• Beta Orionis
• beta particle
• beta radiation
• beta ray
• beta receptor
• beta rhythm
• beta software
• beta test
• Beta vulgaris