seething Antonyms

as cold as ice at ease alive and well imperturbable level-headed laid-back brass monkey all right air-conditioned unagitated undisturbed even-tempered unfazed untroubled as cold as stone very cold almost empty as happy as a clam at high tide as pleased as punch as cool as a cucumber unperturbed unflustered unbothered self-controlled unruffled unmoved cool-headed cool controlled composed collected chilled chill calm antarctic algific desolate empty equable tranquil siberian serene self-possessed relaxed poised peaceful impassive hyperborean genial abandoned