also unskilful, late 14c., "foolish," from un- (1) "not" + skillful (adj.). Meaning "inexpert" is from 1560s. Related: Unskillfully.
it was an unskillful attempt
unshod
unshorn
unsightly
unsinkable
unskilled
unskillful
unsmiling
unsociable
unsold
unsolicited
unsolved