| a. | 1. | Not expected; coming without warning; sudden. |
| Adj. | 1. | unexpected - not expected or anticipated; "unexpected guests"; "unexpected news" Antonyms: expected - considered likely or probable to happen or arrive; "prepared for the expected attack" |
| 2. | unexpected - not foreseen; "unsuspected difficulties arose"; "unsuspected turnings in the road" | |
| 3. | unexpected - made necessary by an unexpected situation or emergency; "a forced landing" Synonyms: forced | |
| 4. | unexpected - causing surprise or amazement by not being expected; "the curtains opened to reveal a completely unexpected scene" | |
| 5. | unexpected - not planned; "an unexpected pregnancy" | |
| 6. | unexpected - happening or coming quickly and without warning; "a sudden unexpected development" Synonyms: unforeseen |