D defs.my
Entry 1 sense Webster, 1913

Convulsive

/kən-vŭl'-sĭv/ · Con·vul·sive · IPA /kənˈvʌlsɪv/
01 a. Producing, or attended with, convulsions or spasms; characterized by convulsions; convulsionary.
  1. 1.
    Producing, or attended with, convulsions or spasms; characterized by convulsions; convulsionary.
    “An irregular, convulsive movement may be necessary to throw off an irregular, convulsive disease.” Burke.