free from emotional agitation or nervous tension;
"the waiters were unflurried and good natured"
"with contented mind and unruffled spirit"
(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 a ripple on the still water"
- He remained unruffled by the charges.
- She spoke with unruffled calm.