Find 470 different ways to say TRANQUIL , along with antonyms, related words, and example sentences at Thesaurus.com. Synonyms for TRANQUIL : quiet, peaceful, serene, placid, restful, calm, hushed, quieted; Antonyms of TRANQUIL : loud, boisterous, tumultuous, raucous, noisy, rowdy, unquiet, clamorous When a place or your state of mind is peaceful, quiet and serene, it is tranquil . Tranquil definition: free from commotion or tumult; peaceful; quiet; calm .. See examples of TRANQUIL used in a sentence.
