adj :  having or showing abnormally low sensitivity to stimuli <animals exhibiting these neural defects were hypoactive, , and sometimes ataxic -W. F. Windle>  hy*po*re*ac*tiv*i*ty n pl  -ties  
 
 
 
Similar sounding terms:   hyperactive  hy·per·re·ac·tive  pro·ac·tive   purgative 
 
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