RichThesaurus
impassable
impassable
synonyms
impenetrable
impervious
inaccessible
unpassable
thick
insurmountable
impregnable
dense
invulnerable
unbeatable
invincible
blocked
unconquerable
closed
compact
insuperable
hermetic
bulletproof
untraversable
jungly
indomitable
impermeable
solid
untouchable
without exit
no-win
unobtainable
strong
unworkable
unfeasible
undefeatable
inviolable
overgrown
powerful
unattainable
pathless
watertight
unapproachable
unnavigable
impracticable
obstructed
unassailable
thickset
unachievable
not a prayer
beyond
jungle-like
trackless
tight
sealed
more synonyms
impassable
antonyms
passable
open
sparse
beatable
penetrable
possible
clear
conquerable
accessible
reachable
reasonable
vulnerable
porous
obtainable
revealed
meager
yielding
responsive
weak
uncovered
traversable
unblocked
permeable
negotiable
unobstructed
sensitive
unstable
through
soft
navigable
surmountable
tenable
thin
usable
crossable
destructible
breakable
able to be traveled on/along
exposed
attainable
achievable
believable
approachable
defeatable