| unexpected | (adj) not expected or anticipated, Ant. expected, Example: unexpected guests; unexpected news |
| unexpectedly | (adv) in a way that was not expected, Syn. out of the blue, Example: her brother showed up at the wedding out of the blue |
| unexpectedness | (n) extraordinariness by virtue of being unexpected, Syn. surprisingness, Ant. expectedness, Example: the unexpectedness of the warm welcome |
| Unexpectation | n. Absence of expectation; want of foresight. [ Obs. ] Bp. Hall. [ 1913 Webster ] |
| Unexpected | a. Not expected; coming without warning; sudden. -- |