Definition as Adjective

• producing no result or effect
• not producing an intended effect
• lacking in power or forcefulness

• futile, otiose, unavailing, meaningless

• ineffective, uneffective

• ineffective, unable

• "a futile effort"; "the therapy was ineffectual"; "an otiose undertaking"; "an unavailing attempt"

• "an ineffective teacher"; "ineffective legislation"

• "an ineffectual ruler"; "like an unable phoenix in hot ashes"

• Ineffectual vs futile
• Ineffectual vs otiose
• Ineffectual vs unavailing
• Ineffectual vs meaningless
• Ineffectual vs ineffective
• Ineffectual vs uneffective
• Ineffectual vs unable