Tranquillity is a sense of peace and quiet. It is the feeling you have while sitting under a starry sky, listening to the crickets. The aura of tranquility. Tranquillity definition, quality or state of being tranquil; calmness; peacefulness; quiet; serenity. See more. Tranquillity definition: a state of calm or quietude | Meaning, pronunciation, translations and examples. Tranquility definition is - the quality or state of being tranquil. How to use tranquility in a sentence. 41 synonyms of tranquillity from the Merriam-Webster Thesaurus, plus 41 related words, definitions, and antonyms. Find another word for tranquillity. Tranquillity (also spelled tranquility) is the quality or state of being tranquil; that is, calm, serene, and worry-free. It is also famously used in the. tranquillity definition: a peaceful, calm state, without noise, violence, worry, etc.. Learn more. Dark Tranquillity. likes · talking about this. New album "Moment" coming November 20th New song "Phantom Days" out now. Preorder. The Tranquillity series consists of very deep, somewhat poorly drained soils on fan skirts. These soils formed in alluvium derived dominantly from calcareous. As the process of filming demanded her to be extroverted, the new music she was creating became hushed and tranquil as a way to escape. more_vert.