unˈshining,ppl.a. (un-1 10.) 1682Creech Lucretius v. 158 Else the Sun hath secret stores of Heat, Dark and unshining stores, but vastly great.1867E. F. Burr Ecce Cœlum iii. 63 [The earth] seemed..so different from them [sc. the heavenly bodies], so unshining.