ineffective

English Thesaurus

1. lacking the ability or skill to perform effectively; inadequate (adj.all)

similar	:	incompetent,
definition	:	not qualified or suited for a purpose (adj.all)

2. not producing an intended effect (adj.all)

similar	:	toothless,
definition	:	lacking necessary force for effectiveness (adj.all)

similar	:	unproductive,
definition	:	not producing desired results (adj.all)

also	:	idle,
definition	:	not in action or at work (adj.all)

also	:	inefficacious,
definition	:	lacking the power to produce a desired effect (adj.all)

also	:	inefficient,
definition	:	not producing desired results; wasteful (adj.all)

also	:	powerless,
definition	:	lacking power (adj.all)

also	:	useless,
definition	:	having no beneficial use or incapable of functioning usefully (adj.all)

attribute	:	effectiveness, effectivity, effectuality, effectualness,
definition	:	power to be effective; the quality of being able to bring about an effect (noun.attribute)

3. lacking in power or forcefulness (adj.all)

similar	:	impotent,
definition	:	lacking power or ability (adj.all)

4. lacking the ability or skill to perform effectively; inadequate (adj.all)

derivation	:	ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)

derivation	:	inefficiency,
definition	:	unskillfulness resulting from a lack of efficiency (noun.cognition)

5. not producing an intended effect (adj.all)

antonym	:	effective, effectual, efficacious,
definition	:	producing or capable of producing an intended result or having a striking effect (adj.all)

derivation	:	ineffectiveness, ineffectuality, ineffectualness, ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)

6. lacking the ability or skill to perform effectively; inadequate (adj.all)

derivation	:	ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)

derivation	:	inefficiency,
definition	:	unskillfulness resulting from a lack of efficiency (noun.cognition)

7. not producing an intended effect (adj.all)

antonym	:	effective, effectual, efficacious,
definition	:	producing or capable of producing an intended result or having a striking effect (adj.all)

derivation	:	ineffectiveness, ineffectuality, ineffectualness, ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)