1. Not slowed or prevented
   "a time of unimpeded growth"; "an unimpeded sweep of meadows and hills afforded a peaceful setting"

See also: unobstructed

• heart cherry
• heart disease
• heart failure
• heart line
• heart massage
• heart monitor
• heart murmur
• heart muscle
• Heart of Dixie
• Heart of India
• heart pea
• heart rate
• heart rhythm
• heart specialist
• heart surgeon
• heart surgery
• heart urchin
• heart valve
• heart ventricle
• heart-healthy
• heart-leaved aster
• heart-lung machine
• heart-shaped
• heart-to-heart
• heart-whole