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impassable

How to pronounce impassable:

Synonyms for impassable:

blocked
close
closed
compact
compressed
dense
frozen
impenetrable
impermeable
impervious
impregnable
obstructed
substantial
thick
tight
tough
unclimbable
unnavigable
unsurmountable
untraversable

Antonyms for impassable:

accessible
comprehensible
enterable
holey
leaky
negotiable
open
passable
penetrable
permeable
pervious
pierceable
porous
semipermeable
soft
sparse
thin
traveled
travelled
vulnerable
Other 4-syllable words

Here are some other common 4-syllable words.

See all 4-syllable words
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