Synonyms for placid Found 8 synonyms across 2 meanings for “placid”. (of a body of water) free from disturbance by heavy waves (adj) quietstilltranquilsmoothunruffled not easily irritated (adj) equableeven-temperedgood-tempered Explore Related Words Rhymes with placidSynonyms for quietSynonyms for stillSynonyms for tranquilSynonyms for smoothSynonyms for unruffled Synonym Finder | Rhyme Finder | Poetry Editor