monotone

Definitions

A continuing sound, especially someone's voice, that is unchanging in pitch and without intonation.

A style of expression or a design that lacks variety and is tedious or boring.

Examples

The professor's monotone voice made it difficult for the students to stay awake during the lecture.

The landscape was a vast, monotone stretch of desert that seemed to go on forever.

Synonyms

dull repetitive tedious unvarying flat monotonous humdrum

Antonyms

varied exciting dynamic interesting diverse modulated lively