impervious

/ɪmˈpɜːviəs/ (bre, ipa) · /ɪmˈpɜːrviəs/ (ame, ipa) · /(ˌ)im-ˈpər-vē-əs/ (ame, mw)

impervious — 形容詞

  • imperviouspositive
  • more imperviouscomparative
  • most impervioussuperlative

1. describing a material that blocks water, gas, or other substances from passing t

1.形容詞C2
釋義

防水的；不透

液體或氣體無法穿透的材質特性

describing a material that blocks water, gas, or other substances from passing through it

例句

The hiking jacket Vivek bought is impervious to rain and light snow.

Vivek 買的那件登山外套防雨也防小雪。

impervious to + liquid noun

Engineers covered the roof with a thin metal sheet impervious to moisture.

工程師在屋頂鋪了一層薄金屬板，可以防潮。

同義詞
  • waterproof

    everyday word, only about water; impervious is broader and more formal

  • impermeable

    near-synonym, also formal/technical; often interchangeable here

  • sealed

    describes a closed-off state rather than a material property

反義詞
  • permeable

    formal opposite, allows liquid or gas to pass through

  • porous

    has small holes that let liquid through, e.g. a sponge

文法句型

impervious to + noun (liquid/gas)

用法筆記

Subject is usually a physical material, surface, or object. Almost always followed by 'to' plus the substance being blocked (water, moisture, gas, oil). Sense 2 covers the figurative 'unaffected by emotions/ideas' usage.

常見錯誤

❌The coat is impervious from the rain.
✅The coat is impervious to the rain.
💡the preposition is always 'to', never 'from' or 'against'.

2. describing a person who appears completely unmoved by something that would norma

2.形容詞C2
釋義

無動於衷的

對外界影響毫無反應或不為所動

describing a person who appears completely unmoved by something that would normally upset, persuade, or impress others

例句

Naoko seemed impervious to the criticism from her boss during the meeting.

開會時老闆批評她，Naoko 看起來絲毫不為所動。

impervious to + criticism (typical collocation)

Even after losing the match, Caleb remained impervious to the boos from the crowd.

即使輸了比賽，Caleb 對觀眾的噓聲完全不放在心上。

同義詞
  • unaffected

    neutral and common; impervious is stronger and more formal

  • indifferent

    implies not caring; impervious implies resistance to being influenced

  • immune

    often interchangeable; immune carries a sense of protection

反義詞

文法句型

impervious to + abstract noun (criticism, pain, charm)

用法筆記

Subject is usually a person. Always followed by 'to' plus an abstract noun the person resists (criticism, pain, flattery, emotion). Often implies a deliberate or trained insensitivity, not just neutrality. Distinguish from sense 1, which is about physical materials.

常見錯誤

❌Imani was impervious about the rude comments.
✅Imani was impervious to the rude comments.
💡use 'to', not 'about' or 'from'.