ineffective

(a) not producing an intended effect
- an ineffective teacher
- ineffective legislation
ineffectual, uneffective,
(s) lacking in power or forcefulness
- an ineffectual ruler
- like an unable phoenix in hot ashes
ineffectual, unable,
(s) lacking the ability or skill to perform effectively; inadequate
- an ineffective administration
- inefficient workers
inefficient,

Synonyms

ineffectual uneffective unable inefficient

Antonyms

effective effectual efficacious

See also

idle inefficacious inefficient powerless useless

Words of close approximity

ineffectively ineffectiveness