Meaning of the word tranquilly in English

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

tranquilly

US /ˈtræŋ.kwɪ.li/
UK /ˈtræŋ.kwɪ.li/

Adverb

in a calm, peaceful, and undisturbed manner

Example:
The lake lay tranquilly under the morning sun.
She slept tranquilly through the night.