effectual

views updated Jun 08 2018

ef·fec·tu·al / iˈfekchoōəl/ • adj. (typically of something inanimate or abstract) successful in producing a desired or intended result; effective: tobacco smoke is the most effectual protection against the mosquito.DERIVATIVES: ef·fec·tu·al·i·ty / iˌfekchoōˈalitē/ n.ef·fec·tu·al·ly adv.ef·fec·tu·al·ness n.