electroshock therapy elect·ros·hockt·herapy uncommon noun 1. the administration of a strong electric current that passes through the brain to induce convulsions and coma Synonymselectroconvulsive therapyelectroshockelectroshock therapyECT Related words Broader terms shock therapy WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.