煩わしい【わずらわしい】
troublesome, annoying, complicated
煩悩【ぼんのう】
worldly desires, evil passions, appetites of the flesh, klesha (polluting thoughts such as greed, hatred and delusion, which result in suffering)
煩雑【はんざつ】
complex, intricate, complicated, confused, troublesome, vexatious, cumbersome