Meaning of “tranquil” - Learner’s Dictionary

tranquil

adjective us uk /ˈtræŋkwɪl/

calm and quiet:

a tranquil garden
tranquility noun [ U ] also tranquillity us uk /træŋˈkwɪləti/

I love the tranquility of the woods.

(Definition of “tranquil” from the Cambridge Learner’s Dictionary © Cambridge University Press)