unresponsive

If someone can't or won't respond, we call them unresponsive. Depending on the context, a person's unresponsiveness can be just a bummer or a life-threatening condition.

Take this word piece by piece. Un- means "not," as usual. A response is a reaction to something. And -ive is a suffix that means "state of being." Taken together, these parts add up to "the state of being not responsive." When your boyfriend just sits and stares rather than talking about what's bothering him, he's being unresponsive. Medically speaking, when a person is called unresponsive, it means they're at least unconscious, and possibly dead or dying.

Definitions of unresponsive
  1. adjective
    not responding to some influence or stimulus
    Synonyms:
    refractory
    temporarily unresponsive or not fully responsive to nervous or sexual stimuli
    insensitive
    not responsive to physical stimuli
    insensitive
    deficient in human sensibility; not mentally or morally sensitive
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    Antonyms:
    responsive
    readily reacting or replying to people or events or stimuli; showing emotion
    answering, respondent
    replying
    sensitive
    responsive to physical stimuli
    sensitive
    being susceptible to the attitudes, feelings, or circumstances of others
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  2. adjective
    not susceptible to suggestion or influence
    Synonyms:
    insusceptible, unsusceptible
    not susceptible to
  3. adjective
    aloof or indifferent
    “was unresponsive to her passionate advances”
    Synonyms:
    cool
    psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike
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