also: つまんね · つまんねー
i-adjective
Colloquial contraction of つまらない. Used in casual conversation to express that something is not fun, interesting, or worthwhile. Can sound childish or informal; not appropriate in formal contexts.
See also: つまらない
この映画、つまんないから帰ろう。
This movie is boring, so let's leave.
毎日同じことの繰り返しでつまんないなあ。
Doing the same thing every day is so dull.