noun🔗ShareThe state of being obsolete—no longer in use; gone into disuse; disused or neglected."The old calculator's obsolescence meant it was no longer useful for my math homework. "technologybusinesseconomyindustrytimeChat with AIVocabulary GamePractice Reading
noun🔗ShareThe process of becoming obsolete, outmoded or out of date."The obsolescence of the old textbooks meant the school had to replace them with new ones. "technologybusinesseconomyindustrytimeChat with AIVocabulary GamePractice Reading
