つまらない
tsumaranai

i-Adjective

1. dull; uninteresting; boring; tedious

Usually Written in Kana
あの あたらしい映画 えうがは、つまらんかった。
ano atarashii ēgawa tsumaran katta.
That new movie was a bummer.
i-Adjective

2. insignificant; unimportant; trifling; trivial; worthless

Usually Written in Kana
あの おとこはよくつまらぬことで だれにでも因縁 いんねんをつける。
ano otokowa yoku tsumaranu kotode darenidemo innen'o tsukeru.
He often uses the slightest thing as a pretext for a fight with anybody.
i-Adjective

3. absurd; foolish; silly; stupid

Usually Written in Kana
i-Adjective

4. useless; pointless; disappointing

Usually Written in Kana
Other forms: