Adventitious, abnormal, and abrupt are all synonyms for unexpected. Expected and predictable are antonyms of unexpected. And here are 24 another word for unexpected.
Abnormal, abrupt, adventitious, astonishing, chance, extraordinary, fortuitous, not bargained for, out of the blue, serendipitous, startling, sudden, surprising, unanticipated, uncommon, unforeseen, unhoped for, unlooked for, unplanned, unpredicted, without notice, without warning, and backasswards are all synonyms for unexpected.
Unexpected synonym page has a variety of synonyms that differ in length. 3 synonyms with 6, and 11 letters and 2 synonyms with 8, 9, and 12 letters. 4 synonyms with 10, and 13 letters and 1 synonym with 14, and 15 letters. For a total of 22 another word for unexpected.
The unexpected news surprised everyone.
We encountered unexpected delays today.
An unexpected guest arrived early.
His reaction was completely unexpected.