Meaning
This word refers to the quality or state of being necessary or essential. It is commonly used in formal or academic contexts to discuss whether something is truly needed or required. The word is formed by adding the suffix 性 (xìng) to 必要 (bì yào, 'necessary'), creating an abstract noun that describes the property of necessity itself.
Usage
必要性 is primarily used in formal writing, academic discussions, policy documents, and serious spoken discourse. It often appears in phrases like '有必要性' (to have necessity) or when questioning or emphasizing why something must be done. Native speakers use it when analyzing requirements, justifying decisions, or debating the importance of actions or policies.
Examples
- 01我们需要论证这个项目的必要性。.We need to demonstrate the necessity of this project.
- 02他质疑这项政策的必要性。.He questions the necessity of this policy.
Characters
Common collocations
- 有必要性to have necessity, to be necessary
- 缺乏必要性to lack necessity
- 论证必要性to demonstrate necessity
- 强调必要性to emphasize necessity
Antonyms
Origin
The suffix 性 (xìng) is borrowed from Classical Chinese and is used productively in modern Mandarin to form abstract nouns from adjectives, similar to '-ness' or '-ity' in English. 必要 means 'necessary,' so 必要性 literally means 'the quality of being necessary.'