退屈 たいくつ
taikutsu

Noun
na-Adjective

1. tedious; boring; dull; uninteresting; tiresome; monotonous

カクテルパーティーは退屈 たいくつなときもある。
kakuterupātiiwa taikutsuna tokimo aru.
Cocktail parties can be boring.
Suru Verb

2. to feel bored; to get bored (with); to get tired (of)

Intransitive