placid
/ˈplæsɪd/ adjective, proper noun
Forms placider placidest
- adjective calm and quiet; peaceful; tranquil “a placid disposition”
- proper noun An unincorporated community in McCulloch County, Texas, USA, originally named for its tranquility.
Synonyms
cool-headed serene calm steady collected composed equable equanimous equanimitable even-keeled even-minded even-tempered imperturbable laid-back level-headed mellow pacate pacific peaceable peaceful quiet still tranquil smooth unruffled good-tempered
Etymology
Borrowed from French placide, from Latin placidus (“peaceful, calm, placid”), from placeō (“please, satisfy”).
Webster’s 1913
- adjective Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle. "That placid aspect and meek regard." Milton. "Sleeping . . . the placid sleep of infancy." Macaulay.
Etymology [L. placidus, originally, pleasing, mild, from placere to please: cf. F. placide. See Please.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “placid”, CC BY-SA 4.0. Details