25 entries under difficulty topic. ×

11
trackless(adjective, space, closed, untrodden)
2
impracticable
1
awkward
1
complicated
1
convoluted
1
desperate
1
impossible
1
intractable
1
intricate
1
invious
1
knotted
1
knotty
1
labyrinthine
0
hopeless
0
not feasible(expression, idiom)
0
obstinate
0
perverse
0
plaguy
0
refractory
0
rugged
<12>
11 years ago|2k views|share |citing 
APASmart Define. (2015). pathless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/pathless/thesaurus/synonyms
ChicagoSmart Define. 2015. "pathless thesaurus" https://smartdefine.org/pathless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, pathless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/pathless/thesaurus/synonyms>.
MLASmart Define. "pathless thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/pathless/thesaurus/synonyms>