Synonyms of unforeseen in English:

unforeseen


See US English definition of unforeseen

See UK English definition of unforeseen

See Spanish definition of imprevisto

adjective

1‘due to unforeseen circumstances’

SYNONYMS
unpredicted, unexpected, unanticipated, unplanned, accidental, unlooked for, unsought, not bargained for, unthought of, unimagined
sudden, abrupt, surprising, startling, astonishing, abnormal, out of the blue
ANTONYMS

expected, predictable