Obsolete/ˌɑːbsəˈliːt/ Definition 1 of 5Pro Tip 1/2Technological Evolution Often used to describe tech advances where new inventions make older ones not needed. VHS tapes became obsolete when DVDs were introduced. Pro Tip 2/2No Repairs Used when items can't be fixed due to a lack of parts or knowledge. With no compatible spare parts, old cars become obsolete.