fretful Antonyms

as cool as a cucumber freewheeling carefree laid-back at peace undisturbed unshakable unruffled tranquil together stolid happy-go-lucky imperturbable at ease worry-free unperturbed unemotional unbothered self-controlled unflappable untroubled unexcitable even-tempered cool as a cucumber steady serene self-possessed cool-headed cool controlled content confident composed collected chilled centered calm dispassionate equable happy sedate relaxed poised pleased placid phlegmatic peaceful mellow joyous impassive