adj. 25B6; adjective
they have a decided advantage : DISTINCT, clear, marked, pronounced, obvious, striking, noticeable, unmistakable, patent, manifest; definite, certain, positive, emphatic, undeniable, indisputable, unquestionable; assured, guaranteed.
he was very decided : DETERMINED, resolute, firm, strong-minded, strong-willed, emphatic, dead set, unwavering, unyielding, unbending, inflexible, unshakeable, unrelenting, obstinate, stubborn; N. Amer. rock-ribbed.
our future is decided : SETTLED, established, resolved, determined, agreed, designated, chosen, ordained, prescribed; set, fixed; informal sewn up, wrapped up.