adjective
1.
Synonyms: calm 1, halcyon, hushed, quiet, still, stilly, untroubled
Related Word: irenic, peaceful, serene, unagitated, unstirring
Antonyms: roiled
2.
Synonyms: calm 2, collected, composed, easy, easygoing, poised, self-composed, self-possessed, serene, tranquil
Related Word: detached, inexcitable, unmoved
Contrasted words: fidgety, jittery, jumpy, skittery; agitated
Antonyms: choleric