1. Not restrained or controlled
   "an unchecked temper"
   - unbridled, uncurbed, ungoverned

See also: unrestrained

• bicultural
• bicuspid
• bicuspid valve
• bicuspidate
• bicycle
• bicycle chain
• bicycle clip
• bicycle pump
• bicycle race
• bicycle rack
• bicycle seat
• bicycle traffic
• bicycle wheel
• bicycle-built-for-two
• bicycler
• bicyclic
• bicycling
• bicyclist
• bicylindrical
• bid
• bid price
• Bida
• biddable
• bidder
• bidding