unavailing

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

producing no result or effect (Freq. 1)
- a futile effort
- the therapy was ineffectual
- an otiose undertaking
- an unavailing attempt
• Syn:
futile, ineffectual, otiose
• Similar to:
useless
• Derivationally related forms:
ineffectualness (for: ineffectual), ineffectuality (for: ineffectual), futility (for: futile)

• Từ đồng nghĩa / Synonyms:
  futile, ineffectual, otiose