"Imprescriptibly" is an adverb that means something that cannot be prescribed or limited by time. Synonyms for this word include "indelibly," "permanently," "everlastingly," "eternally," "indefinitely," and "irrevocably." These words all convey the sense of something that is enduring and unchanging, regardless of any external factors. Other possible synonyms for "imprescriptibly" might include "steadfastly," "unchangingly," "unchangeably," and "unwaveringly." Whether you're writing about legal rights or personal beliefs, using a diverse array of synonyms for this important term can help you to convey your ideas more effectively and precisely.