Antonym de in a spin

staid calm composed imperturbable possessed relaxed unflappable clearheaded collected coolheaded easygoing equable poised sedate steady unflustered unruffled untroubled chilled cool grounded placid tranquil unagitated unbothered unperturbed unworried recollected undisturbed self-composed self-possessed cool as cucumber serene peaceful together unemotional unshaken level cool, calm and collected at ease laid-back at peace equal pacific still quiet restful unexcitable sober controlled unexcited stoical dispassionate nonplussed measured reasonable gentle cool-headed easy even-tempered stable lackadaisical unfazed impassive content laid back nonchalant cool as a cucumber secure blissful smooth peaceable conciliatory mellow constant at rest easeful reposeful anxiety-free in repose

in a split second in a state in a state of in a state of agitation in a state of disrepair in a state of nerves inasmuch as in as much as in a slump in a similar fashion in a short time in ashes