Main Entry: ²up·grade

Pronunciation: \ˈəp-ˌgrād, ˌəp-ˈ\

Function: verb

Date: 1901

transitive verb

: to raise or improve the grade of: as a : to improve (livestock) by use of purebred sires b : to advance to a job requiring a higher level of skill especially as part of a training program c : to raise the quality of d : to raise the classification and usually the price of without improving the quality e : to extend the usefulness of (as a device) f : to assign a less serious status to <upgraded the patient's condition to good>intransitive verb : to improve or replace especially software or a device for increased usefulness

— up·grad·abil·i·ty or up·grade·abil·i·ty \ˌəp-ˌgrā-də-ˈbi-lə-tē\ noun

— up·grad·able or up·grade·able \ˌəp-ˈgrā-də-bəl\ adjective