late 14c., from un- (1) "not" + past participle of foresee. Similar formation in Middle Dutch onvoresien, Dutch onvoorzien, Middle High German unvorsen.
unforeseen circumstances
unfledged
unflinching
unfold
unforced
unforeseeable
unforeseen
unforgettable
unforgivable
unforgiven
unforgiving
unforgotten
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