placid

placid

CEFR: C1-C2 /placid/ [p.l.ae1.s.ah0.d]

Definition: (of a body of water) free from disturbance by heavy waves; not easily irritated

Example Sentences:
In such a large field, his placid demeanor also made it difficult for him to stand out among all the competitors.
The flat, glistening, white expanse of the Greenland Ice Sheet, stretching out across hundreds of thousands of square miles, appears placid, unchanging and boring even.