fretful Antonyms

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