Meaning of the word sternly in English

What does sternly mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sternly

US /ˈstɝːn.li/
UK /ˈstɝːn.li/

Adverb

1.

in a way that shows disapproval:

Example:
"This kind of behavior is not acceptable," said the teacher sternly.
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