(ת') לא יעיל; שאינו מביא לתוצאות; לא אפקטיבי

adj. not efficient; not bringing results; incapable, incompetent

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Adjective
1. not producing an intended effect; "an ineffective teacher"; "ineffective legislation"
(synonym) uneffective, ineffectual
(antonym) effective, effectual, efficacious
(similar) toothless
(see-also) idle
(attribute) effectiveness, effectivity, effectualness, effectuality
2. lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes"
(synonym) ineffectual, unable
(similar) impotent
3. lacking the ability or skill to perform effectively; inadequate; "an ineffective administration"; "inefficient workers"
(synonym) inefficient
(similar) incompetent

příd.jm. neúčinný; neefektivní

Przym. nieefektywny; nieskuteczny

(a.)
Not effective; ineffectual; futile; inefficient; useless; as, an ineffective appeal.