未み決けっ定ていMeanings1nounundecided; pending; unsettledUsed for matters, plans, or details that have not yet been decided or finalized. Often appears in formal or business contexts.会かい議ぎの日にっ程ていはまだ未み決けっ定ていです。The meeting date is still undecided.未み決けっ定ていの事じ項