1.AdjectiveNo longer in use or no longer useful; now disused or neglected (often in favour of something newer, better, or more fashionable); outmoded.
"Speedy, worldwide, accessible delivery of news through the Web has made newspapers obsolete.; Horses became obsolete means of transportation in cities in the first half of the twentieth century."
2.AdjectiveImperfectly developed; not very distinct.
3.VerbTo cause to become obsolete.
"This software component has been obsoleted.; We are in the process of obsoleting this product."