definition of
placid

[1] #1 placid s. [quiet, still, tranquil, smooth, unruffled] (of a body of water) free from disturbance by heavy waves; "a ribbon of sand between the angry sea and the placid bay"; "the quiet waters of a lagoon"; "a lake of tranquil blue water reflecting a tranquil blue sky"; "a smooth channel crossing"; "scarcely. wn

[2] #2 placid s. [equable, even-tempered, good-tempered] not easily irritated; "an equable temper"; "not everyone shared his placid temperament"; "remained placid despite the repeated delays". wn