Meaning and Usage
The kanji 無 (む) primarily means "nothing," "none," or "without." It is often used in compound words to express the absence or negation of something, such as 無理 (むり, impossible/unreasonable) or 無意味 (むいみ, meaningless).
Common Collocations
- 無理 (むり): unreasonable, impossible — used to describe something that cannot be done or is too difficult.
- 無意味 (むいみ): meaningless — used to express something that lacks meaning or purpose.
- 無記名 (むきめい): anonymous, unsigned — used in official documents or forms.
Usage Notes
無 is often combined with other kanji to form nouns or adjectives indicating negation or absence. It is not commonly used alone as a standalone word in daily conversation but appears frequently in written language and formal contexts.
Learners sometimes confuse 無 with ない, which is the more common negative adjective. 無 is more formal and often used in compound nouns.
Register and Politeness
無 itself is neutral in politeness but appears mostly in formal or written contexts. When used in compounds, the politeness depends on the whole phrase.
Summary
Understanding 無 helps learners recognize many compound words expressing negation or absence. It is essential for reading formal texts, signs, and documents.