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

See also: open

Antonym: constricted

• insomniac
• insomuch
• insouciance
• insouciant
• inspan
• inspect
• inspection
• inspection and repair
• inspector
• inspector general
• Inspector Maigret
• inspectorate
• inspectorship
• inspiration
• inspirational
• inspirationally
• inspiratory
• inspire
• inspired
• inspirer
• inspiring
• inspirit
• inspiriting
• inspissate
• inspissation