1. Not confined or limited
   "the gift of a fresh eye and an untrammelled curiosity"; "the untrammelled rush that the snows had shown in the first spring sun"
   - untrammeled [US]

See also: limitless, unlimited

• underbid
• underbodice
• underbody
• underboss
• underbred
• underbrush
• undercarriage
• undercharge
• underclass
• underclassman
• underclothed
• underclothes
• underclothing
• undercoat
• undercoated
• undercook
• undercover
• undercover agent
• undercover operation
• undercover work
• undercroft
• undercurrent
• undercut
• underdacks
• underdaks