E₁F₄F₄I₁C₃A₁C₃I₁O₁U₁S₁

21 points

EFFICACIOUS is validvalid

[adj] : EFFICACIOUSLY [adv], EFFICACIOUSNESS [n]

150,227 of 196,601 in NWL2023·also valid in CSW24

having the power to produce a desired effect [adj EFFICACIOUSLY]

74,775 of 280,887 in CSW24·also valid in NWL2023