Definition of repulsory in English:

repulsory

Pronunciation /rɪˈpʌls(ə)ri/

adjective

  • Of or relating to repulsion; capable of repulsion, tending to repel or push something back.

Origin

Early 17th century (in an earlier sense). As noun probably from post-classical Latin repulsorium means of driving back, defence, use as noun of neuter of repulsorius; as adjective from post-classical Latin repulsorius serving to drive or force back from classical Latin repuls-, past participial stem of repellere + -ōrius.