Synonyms of the word 
UNLOOKED-FOR → UNANTICIPATED - UNEXPECTED - UNFORESEEN
unlooked-for
- adj. Alternative form of unlooked for.
unanticipated
- adj. Not anticipated.
unexpected
- adj. Not expected, anticipated or foreseen.
unforeseen
- adj. Not foreseen.
- adj. Not expected.
- n. An event, incident, cost, etc. that was not foreseen.
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