1. Not brought about by coercion or force
   - uncoerced, willing 
2. Not resulting from undue effort; not forced
   "a voice with a pleasingly unforced quality"
   - unstrained

See also: effortless, voluntary

• tailing
• taille
• tailless
• tailless tenrec
• taillight
• taillike
• tailor
• tailor's chalk
• tailor's tack
• tailor-made
• tailor-make
• tailorbird
• tailored
• tailoring
• tailpiece
• tailpipe
• tailplane
• tailrace
• tails
• tailspin
• tailstock
• tailwind
• tailwort
• Taimyr Peninsula
• taint