ineffectual

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. producing no result or effect
- a futile effort
- the therapy was ineffectual
- an otiose undertaking
- an unavailing attempt
• Syn:
futile, otiose, unavailing
• Similar to:
useless
• Derivationally related forms:
ineffectualness, ineffectuality, futility (for: futile)
2. not producing an intended effect
- an ineffective teacher
- ineffective legislation
• Syn:
ineffective, uneffective
• Ant:
effective (for: ineffective)
• Similar to:
toothless, unproductive
• See Also:
idle, inefficacious, inefficient, powerless, useless
• Derivationally related forms:
ineffectualness, ineffectuality, ineffectiveness (for: ineffective)
• Attrubites:
effectiveness, effectivity, effectualness, effectuality
3. lacking in power or forcefulness
- an ineffectual ruler
- like an unable phoenix in hot ashes
• Syn:
ineffective, unable
• Similar to:
impotent
• Derivationally related forms:
ineffectualness, ineffectuality, ineffectiveness (for: ineffective)

• Từ đồng nghĩa / Synonyms:
  ineffective, unable, futile, otiose, unavailing, uneffective
• Từ trái nghĩa / Antonyms:
  effective, effectual, efficacious