1. placid, quiet, smooth, still, tranquil, unruffled

(of a body of water) free from disturbance by heavy waves

Example Sentences:
'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 a ripple on the still water'
'unruffled water'

Synonyms

• quiet
• smooth
• still
• tranquil
• unruffled

2. equable, even-tempered, good-tempered, placid

not easily irritated

Example Sentences:
'an equable temper'
'not everyone shared his placid temperament'
'remained placid despite the repeated delays'

Synonyms

• equable
• even-tempered
• good-tempered