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

See also: open

Antonym: constricted

• drone pipe
• drongo
• droning
• drool
• drool over
• drooler
• droop
• drooping
• drooping brome
• drooping juniper
• droopingly
• droopy
• drop
• drop a line
• drop anchor
• drop arch
• drop away
• drop back
• drop behind
• drop biscuit
• drop by
• drop by the wayside
• drop cap
• drop cloth
• drop curtain