Synonyms of unforeseen in English:

unforeseen


See definition of unforeseen

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