also: だーてぃ
na-adjective
dirty; underhand; immoral; illegal
Loanword from English 'dirty', used as a na-adjective. Carries the same figurative meanings: morally questionable, unfair, or illegal. Often used in contexts like politics, business, or sports to describe foul play or unethical behavior.
彼のやり方はダーティーだ。
His methods are dirty.
ダーティーな手段で金
He earns money by dirty means.