Thesaurus

impermeable

adjective

Definition of IMPERMEABLE

1
impossible to get through or into <the wall of security people surrounding the rock band was impermeable>
Synonyms impassable (also impassible), impermeable, impervious, impregnable
2
not allowing penetration (as by gas, liquid, or light) <an impermeable seal on the ancient tomb had preserved the artifacts exceptionally well>
Near Antonyms absorbent, leaky, porous, unsealed

March 30, 2015
amphibology Hear it
A phrase with more than one interpretation
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears