Meaning & Definition of word "Impervious"

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    Impervious

    /ɪmˈpɜːrviəs/

    adjective:

    • 1. Not able to be affected by something.
      • Example: The new coating on the roof is impervious to rain.
    • 2. Not allowing fluid to pass through; waterproof.
      • Example: The impervious membrane kept the water from seeping inside.
    • 3. Impenetrable; unable to be passed or entered.
      • Example: His fierce demeanor made him impervious to criticism.
    • 4. Incapable of being influenced or affected.
      • Example: She appeared impervious to the stress of her job.

    Etymology

    Latin 'impervius', from 'in-' meaning 'not' and 'pervius' meaning 'passable'.

    Common Phrases and Expressions

    impervious to criticism:

    Unwilling or unable to be swayed by negative feedback.

    impervious surface:

    A surface that does not allow water to penetrate.

    impervious barrier:

    A barrier that prevents any passage or entry.

    Related Words

    impassable:

    Not able to be passed or crossed.

    unresponsive:

    Not reacting or responding to stimuli.

    resilient:

    Able to withstand or recover quickly from difficult conditions.

    Slang Meanings of impervious

    Meaning: Tough as nails.

    Example Sentence: That guy is tough as nails; he's completely impervious to pain.

    Meaning: Rock solid.

    Example Sentence: Her confidence is rock solid; she's impervious to doubt.