necessity

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the condition of being essential or indispensable (Freq. 11)
• Derivationally related forms:
necessary, necessitate
• Hypernyms:
need, demand
• Hyponyms:
requisiteness, urgency
• Attrubites:
necessary, unnecessary, unneeded
2. anything indispensable (Freq. 7)
- food and shelter are necessities of life
- the essentials of the good life
- allow farmers to buy their requirements under favorable conditions
- a place where the requisites of water fuel and fodder can be obtained
• Syn:
essential, requirement, requisite, necessary
• Ant:
inessential (for: essential)
• Derivationally related forms:
requisite (for: requisite), require (for: requirement), essential (for: essential), necessitous, necessary, necessitate
• Hypernyms:
thing
• Hyponyms:
desideratum, must, need, want

• Từ đồng nghĩa / Synonyms:
  essential, requirement, requisite, necessary
• Từ trái nghĩa / Antonyms:
  inessential, nonessential