RichThesaurus
serendipitous
serendipitous
synonyms
fortuitous
unforeseen
chance
accidental
unexpected
fluky
unplanned
random
coincidental
unlooked-for
unintentional
adventitious
unanticipated
casual
unintended
unpremeditated
inadvertent
lucky
aleatory
fortunate
providential
timely
unwitting
auspicious
heaven-sent
felicitous
propitious
incidental
advantageous
involuntary
unthinking
opportune
not bargained for
without warning
unmeant
out of the blue
haphazard
convenient
occurring by accident
occurring by chance
unhoped-for
astonishing
without notice
startling
subconscious
surprising
sudden
unconscious
expedient
unpredicted
more synonyms
serendipitous
antonyms
planned
intentional
deliberate
unlucky
predictable
inopportune
useless
unpropitious
unhelpful
unsuccessful
unconstructive
unfortunate
worthless
unfavorable
systematic
disadvantageous
impossible
bad
injurious
painstaking
harmful
hurtful
calculated
inevitable
expected
designed
premeditated