effectual

Alternative forms

• effectuall (obsolete)

Etymology

From Old French effectuel, from Late Latin effectualis.

Pronunciation

• IPA^(key): /iˈfɛktʃuəl/

Adjective

effectual (comparative more effectual, superlative most effectual)

1. Producing the intended result; entirely adequate.
   • 1749, John Cleland, “part 3”, in Fanny Hill: Memoirs of a Woman of Pleasure, London: G. Fenton, OCLC 13050889:

     Redoubling, then, the active energy of his thrusts, favoured by the fervid appetite of my motions, the soft oiled wards can no longer stand so effectual a picklock, but yield, and open him an entrance.