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impervious
adjective
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Divide impervious into syllables:

im · per · vi · ous

How to pronounce impervious:

Definition of impervious:

impervious (adjective):
not influenced by a feeling, argument, etc.
not allowing entrance or passage impenetrable
not admitting of passage or capable of being affected.

Synonyms for impervious:

densecompactfastclosetightthickimmuneinvulnerableimpermeableclosed
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Other 4-syllable words like impervious

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