
Monotone
Lack of Emotion
Monotone voices are often perceived as lacking emotion or enthusiasm.
He answered the phone with a monotone 'hello', sounding disinterested.
Boredom Effect
Using a monotone voice might unintentionally cause listeners to feel bored.
The lecturer's monotone speech made the students yawn.
Robotic Tone
A monotone voice can sound robotic, lacking the usual ups and downs of speech.
Her monotone recital made her sound like a robot.