adjective

unexpected

Not anticipated.

An unexpected phone call interrupts our quiet evening at home.

Etymology

The negative prefix denies prior expectation. An unexpected occurrence arrives without having been anticipated.

More examples

  • The project faces an unexpected delay.
  • Her unexpected kindness makes a difficult day easier.
  • The offer is generous but completely unexpected.

Forms

unexpected

unexpectedly adverb — In a way not anticipated beforehand.

Similar words

unforeseen
Emphasizes something not predicted or recognized in advance.
surprising
Emphasizes the reaction of surprise rather than prior expectations.