1. Lacking pathways
   - pathless, roadless, trackless, untracked, untrod

See also: inaccessible, unaccessible

• tricksy
• tricky
• triclinic
• triclinium
• tricolor
• tricolor television tube
• tricolor tube
• tricolour
• tricolour television tube
• tricolour tube
• tricorn
• tricorne
• tricot
• tricuspid
• tricuspid valve
• tricuspidate
• tricycle
• tricyclic
• tricyclic antidepressant
• tricyclic antidepressant drug
• Tridacna
• Tridacna gigas
• Tridacnidae
• trident
• Tridentine