つまんなった
tsumannatta
1. Became boring; Got dull
★ Common
Verb
#1190025
1. Became boring; Got dull
1. Probably boring.; Probably uninteresting.
1. If it's boring; When it gets boring
1. Reached a boring part.; Reached a dull point.
1. It seems…; I heard it was boring.
1. Just finished; Recently ended
1. I see; that's right
1. mere; simple