Insecure
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taut, steady, at ease, secure, unafraid, unquestionable, self-controlled, controlled, firm, relaxed, happy, restrained, strong, safe, cool, constrained, tense, undoubted, definite, tight, happy-go-lucky, snug, certain, stable, peaceful, self-assured, confident, untroubled, bound, unwavering, composed, real, infallible, unshaky, collected, quiet, fastened, jammed, protected, settled, self-confident, fail-safe, tied, sound, sure, wedged, immutable, calm, invulnerable, guarded, fast, incontestable, unworried, actual, nerveless, easy, stuck, undeniable, attached.