unforeseen
I
adjective
accidental, sudden, surprise, unanticipated, undesigned, unexpected, unheralded, unintended, unpredicted, unthought of
associated concepts: unforeseen cause, unforeseen difficulties, unforeseen event, unforeseen peril
II
index
fortuitous, haphazard, unanticipated, unexpected, unintentional
Burton's Legal Thesaurus.
William C. Burton.
2006