What is another word for undatable?
Pronunciation: [ʌndˈe͡ɪtəbə͡l] (IPA) 
The term "undatable" refers to something or someone that is difficult or impossible to date or establish a date for. A few synonyms for "undatable" include timeless, dateless, unassignable, immeasurable, ageless, indefinite, unclassifiable, and perpetual. These words all imply that there is no clear timeline or specific point in time to which the thing or person can be assigned. In certain cases, "undatable" might also be used to describe an object or finding that is not susceptible to dating techniques such as radiocarbon or thermoluminescence dating methods. Regardless of the context, "undatable" represents a challenge to scholars, historians, and archaeologists who seek to understand the past through the measurement and interpretation of time.
