未定之天 wèidìngzhītiān uncertainty Origin Definitions Defs Strokes Stroke Words Sentences Sents 未定 wèidìng undecided not yet decided or settled; indeterminate; still in doubt之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.天 tiān nounproper noun God God; Heaven; the supreme ruler of the universe in traditional belief