つまらない
つまらない · tsumaranai · JLPT N5 · i-adj
boring
🥱 tsumaranai = tsumaru (to be packed full) + nai (not): nothing in it
Negative of 詰まる tsumaru, to be packed or filled. Something tsumaranai has no filling, no substance, so it is dull or trivial. Also used humbly when handing over a gift: tsumaranai mono desu ga, it is just a trifle.