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1)

ない

#35

Inflections of ない
Common
ない
Meaning
    1. ①
      nonexistent; not being (there)
      ２ふたつの意見いけんに大たいした差さはない。
      There is not much difference between the two opinions.
    2. ②
      unowned; not had; unpossessed
      車くるまも何なにもなく、生活保護せいかつほごで生いきてます。
      I'm living on welfare, without a car or anything.
    3. ③
      unique
      See also: 又とない (またとない)
    4. ④
      not; impossible; won't happen
      as ...ことがない, etc.; indicates negation, inexperience, unnecessariness or impossibility
    5. ⑤
      not
      after the conjunctive form of an adjective
      See also: 亡い (ない)
    6. ⑥
      to not be; to have not
      after the -te form of a verb
Kanji
無 ム nothingness, none, ain't
Forms
3)

ない

#35

Inflections of ない
ない
Meaning
    1. emphatic suffix
      after the root of an adjective
      See also: 忙しない (せわしない)

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