usefulness

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the quality of being of practical use (Freq. 5)
• Syn:
utility
• Ant:
uselessness, inutility (for: utility)
• Derivationally related forms:
useful, utilitarian (for: utility), utile (for: utility), utilize (for: utility), utilise (for: utility)
• Hypernyms:
quality
• Hyponyms:
detergency, detergence, function, purpose, role,
use, helpfulness, serviceability, serviceableness, usableness, useableness,
usability, instrumentality, practicality, practicability, practicableness
• Attrubites:
useful, utile, useless

• Từ trái nghĩa / Antonyms:
  inutility, uselessness, unusefulness