DICTIONARY ENTRY
5 SYLLABLES
imperviousness
/ɪm'pɜrviəsnɛs/ · ɪmpɜrviəsnɛs
Imperviousness has 5 syllables: im · per · vi · ous · ness.
im
01
per
02
vi
03
ous
04
ness
05
noun. The quality of being impenetrable (by people or light or missiles etc.).
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