in-effectual (adjective) ineffectual: useless
Detalii: ineffectual refers to a general or habitual lack of success in the carrying out of one's projects; ineffective refers to a specific or definite failure to perform a task or accomplish a purpose
Sinonime: dim-witted, dull-witted,
dumb, half-witted, imbecilic, moronic,
retarded,
simple,
slow, soft in the head, stupid,
unintelligent, weak-minded
Antonime: effective,
effectual