placid means calm and quiet; peaceful; tranquil.
placid is pronounced /ˈplæsɪd/.
Why “placid” is a great word
Calm, peaceful, and undisturbed, with an undisturbed surface or appearance. From Latin placidus ("peaceful, quiet, gentle, calm"), from placēre ("to please"). First attested in English in the early 17th century. Unlike "serene" (which implies an elevated, inner tranquility) or "turbulent" (which denotes violent agitation), "placid" suggests a surface-level, untroubled calm that can verge on passivity. It is the glassy stillness of a sheltered pond at noon, the smooth brow of a sleeping child, and the unhurried gaze of cattle in a sun-drenched field—a state of peace so complete it borders on indifference, asking nothing of the world and offering nothing back but its own untroubled reflection.
adj
- calm and quiet; peaceful; tranquile.g.“a placid disposition”
name
- An unincorporated community in McCulloch County, Texas, USA, originally named for its tranquility.