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

See also: inaccessible, unaccessible

• throne
• throng
• thronged
• throstle
• throttle
• throttle valve
• throttlehold
• throttler
• throttling
• through
• through an experiment
• through and through
• through empirical observation
• through with
• throughout
• throughput
• throughway
• throw
• throw a fit
• throw a spanner in the works
• throw a wobbly
• throw cold water on
• throw in the towel
• throw off
• throw out