0 not producing any result or the desired result -- ซึ่งไม่ได้ผล
1 (of a person) not confident or able to lead people; not able to get things done -- ซึ่งไม่มีประสิทธิผล
an ineffectual teacher.
Feeding is poor, since the suckling reflex is unco-ordinated and ineffectual.
The result would be a life of holiness without the ineffectual (merely human) effort and attendant anxiety of the precisianist strain.
But in itself the line between the therapeutic and the enhancing is ineffectual.
Despite its undeserved popular reputation as an aphrodisiac, opium was probably ineffectual in that regard.
The allowance of petty gambling creates unimagined disorder, but, law-makers feared, the arbitrary and ineffectual policing of such activities also yields a bitter harvest.
After all, beyond the often ineffectual setting fire to fences, incendiarism would be of little use in the initial physical opposition to enclosure.
The dominated character of these constraints renders them ineffectual in ruling out pickle as the output for input puzzle.
Investment was booming, and government attempts to control it in the initial period after 1945 were seriously ineffectual.
