Langimage
English

imperviously

|im-per-vi-ous-ly|

C1

🇺🇸

/ɪmˈpɝviəsli/

🇬🇧

/ɪmˈpɜːvɪəsli/

(impervious)

impenetrable

Base FormComparativeSuperlativeAdverb
imperviousmore imperviousmost imperviousimperviously
Etymology
Etymology Information

'impervious' originates from Latin, specifically the word 'impervius', where 'im-' meant 'not' and 'per'/'via' meant 'through'/'way'.

Historical Evolution

'impervious' changed from the Medieval Latin word 'impervius' and entered English (via late Latin/Medieval usage) as the modern English word 'impervious'.

Meaning Changes

Initially, it meant 'not allowing passage' (physically), but over time it evolved to also mean 'not affected by influence' (emotionally or otherwise).

Meanings by Part of Speech

Adverb 1

in a manner that does not allow passage or penetration (physically); impermeably.

The coating sealed the metal imperviously, preventing any water from getting in.

Synonyms

impermeablyimpenetrablywatertight(ly)

Antonyms

Adverb 2

in a way that is not affected by influence, persuasion, or emotion; showing no response or susceptibility.

She listened to the criticism imperviously and did not respond.

Synonyms

Antonyms

Last updated: 2026/01/12 08:53