- The definition of placid is calm or quiet.
An example of placid is a still lake in the middle of a forest.
A placid mountain lake.
Origin of placidClassical Latin placidus, akin to placere, to please
Origin of Placiddescriptive
- a. Undisturbed by tumult or disorder; calm or quiet: led a placid life.b. Not agitated physically; not disturbed: a placid stream.
- Not easily upset or excited; mild or complacent: a placid demeanor. See Synonyms at calm.
Origin of placidLatin placidus, from placēre, to please; see plāk-1 in Indo-European roots.
- pla·cid′i·ty , plac′id·ness
(comparative more placid, superlative most placid)
From Latin placidus (“peaceful, calm, placid”), from placeō (“please, satisfy”).