also: いっぽんちょうし
na-adjective, noun which may take the genitive case particle 'no', noun
monotonous; lacking variety; one-note
Describes speech, music, or a way of doing things that is flat, unchanging, and without variation. Often used critically.
His speech was monotonous, and the audience quickly got bored.
この曲は一本調子で、ずっと同じリズムが続く。
This song is monotonous; the same rhythm continues throughout.