Uneffective vs. Ineffective: Decoding the Right Spelling

Not producing an intended effect; ineffectual

Inadequate; incompetent

Not having the desired effect; ineffectual

Lacking in ability; incompetent or inadequate

Not effective; not having the desired effect; ineffectual; futile; inefficient; useless; as, an ineffective appeal; an ineffective herbal remedy.

Not producing an intended effect;

Lacking in power or forcefulness;

Lacking the ability or skill to perform effectively; inadequate;