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impassive

/ɪmˈpæsɪv/ adjective

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about impassive at Wordnik → Where our words come from →

  1. Having or revealing little emotion or sensibility; not easily aroused or excited.
    her impassive remoteness
  2. Deliberately impassive in manner.
    deadpan humor

Origin

From im- (prefix meaning ‘not’) + passive (“which is, or is capable of being, acted on; (obsolete) which suffers, or may suffer, pain, death, etc.”, adjective).

From Wiktionary, via Kaikki.org (CC BY-SA)