c. 1200, "ungrateful;" early 14c., "lacking God's grace;" early 15c., "rude, unmannerly," from un- (1) "not" + gracious (adj.). Related: Ungraciously.
unglue
ungodly
ungovernable
ungoverned
ungraceful
ungracious
ungrammatical
ungrateful
ungual
unguarded
unguent
