不

Meaning

1. pref
   un-; non-

Example sentences

• 私の不在中に埃が机の上に積もっていた。

  Dust had accumulated on my desk during my absence.

• 昨日私の不在中に旧友が訪ねて来てくれた。

  Yesterday, I had an old friend of mine call on me in my absence.

• 猫を飼うのは不倫理的だよ。

  It's unethical to own a cat as a pet.