煩わしい
わずらわしい · wazurawashii · JLPT N1 · i-adj
troublesome
煩 (annoy) + わずらう (to trouble): things that keep bothering you, like a tangled knot of obligations
The verb わずらう means to trouble or afflict, and 煩わしい adds the adjective ending for 'troublesome'. Think of something that keeps nagging at you until you feel tangled up in it.