unshakable Antonyms

like a cat on hot bricks hot and bothered het up discombobulated beside oneself spooky fazed antsy jumpy jittery ill at ease in a dither in a flap scared to scared of having kittens all of a lather all of a dither scared stiff on tenterhooks like a cat on a hot tin roof in a lather in a flat spin worried nervous improvident distressed disquieted disconcerted concerned careless bothered apprehensive anxious alarmed agitated disturbed edgy high-strung heedless frightened fretful fretting frantic flustered flurried fidgety fearful afraid