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placid

plac·id

placid

 
 
pronunciation:
plae sihd
part of speech: adjective
definition: calm, smooth, or peaceful.
The lake is so placid that it looks like a sheet of glass.He is a quiet, placid child who loves to read.
synonyms:
calm, peaceful, serene, smooth, still, tranquil
antonyms:
stormy, tense
similar words:
even, restful
derivations: placidly (adv.), placidity (n.), placidness (n.)