unstable Antonyms

stable deeply rooted together toning tranquil unruffled unchanging undisturbed unchangeable theater sustainable sturdy strong steady stationary static stabled sound settled robotlike landline surefooted unbothered undiversified unfaltering of sound mind able to think clearly as solid as a rock built to last in one's right mind planate long-lasting level off stabile unmodifiable nonvolatile all there compos mentis unvarying set serene self-confident composed constant controlled cool cool-headed copper-bottomed dispassionate equable