(きたな)

きたない
adjective (i-adjective)
dirty
1. dirty, unclean
Not clean, covered with dirt or stains. Can describe physical dirtiness.
()(きたな)いです。(あら)ってください
Your hands are dirty. Please wash them.
部屋(へや)(きたな)いです
The room is dirty, isn't it?
Please don't wear dirty clothes.
The child played outside and got both their hands and face dirty.
(かわ)(みず)(きたな)い。
The river water is dirty.
Please don't use dirty words.
(きたな)()すみません
Sorry for my messy handwriting.
2. unfair, underhanded
Can describe behavior that is morally dirty or dishonest.
それ(きたな)やり(かた)です。
That's a dirty/unfair way of doing things.
Figurative use
(きたな)()使(つか)うな
Don't play dirty!
それ(きたな)商売(しょうばい)だ。
That's a shady business practice.

(きたな)い is an i-adjective meaning dirty (physical or moral).

FORMS:

  • Adverbial: (きたな)
  • Noun form: (きたな)さ (dirtiness)
  • Intensified: (きたな)らしい (filthy, disgusting)

TWO MEANINGS:
1. Physical: (きたな)部屋(へや) (dirty room)
2. Moral: (きたな)いやり(かた) (underhanded method)

COMMON EXPRESSIONS:

  • (きたな)言葉(ことば): crude/vulgar language
  • (きたな)(): messy handwriting
  • (きたな)()使(つか)う: to play dirty

OPPOSITE:
きれい (clean, pretty). In polite situations, きれいじゃない may be preferred over (きたな)い, which can sound harsh.