irresponsive

[ir-i-spon-siv]
adjective
not responsive; not responding, or not responding readily, as in speech, action, or feeling.

Origin:
1840–50; ir-2 + responsive

irresponsiveness, noun
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World English Dictionary
irresponsive (ˌɪrɪˈspɒnsɪv)
 
adj
not responsive
 
irre'sponsively
 
adv
 
irre'sponsiveness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

irresponsive ir·re·spon·sive (ĭr'ĭ-spŏn'sĭv)
adj.

  1. Not responsive, as to treatment or stimuli.

  2. Not responding or answering readily.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Failing to update activators for long periods of time causes workers to become bored with, and irresponsive to activators.
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