Calm, placid (6)
I believe this is a double definition.
'calm' is the first definition.
(I know that calm can be written as tranquil)
'placid' is the second definition.
(I know that placid can be written as tranquil)
(Other definitions for tranquil that I've seen before include "Unruffled" , "not making waves" , "Peaceful and quiet, not agitated" , "Peaceful - calm" , "Free from disturbance" .)
I believe this is a double definition.
'calm' is the first definition.
(I know that calm can be written as serene)
'placid' is the second definition.
(synonyms)
(Other definitions for serene that I've seen before include "Calm and unclouded" , "Not agitated" , "Calm and at peace" , "Tranquil, perfectly calm" , "Placid" .)