Find Antonyms
fortuitously Antonyms
Opposite of fortuitously
Because the opposite of fortuitously shifts with each meaning, the 12 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adverb (Context 1)
By a lucky or fortunate coincidence; happily.
Usage Example
"unfortunately, the rain stopped just minutes before the outdoor graduation ceremony was scheduled to begin."
Strongest
unfortunately
unluckily
Strong
regrettably
inopportunely
disastrously
• adverb (Context 2)
In a manner that happens by accident or chance rather than design.
Usage Example
"The two researchers met deliberately at an international conference and discovered they were studying the exact same phenomenon."
Strongest
deliberately
intentionally
on purpose
purposely
by design
Strong
calculatedly
predictably
Similar words to fortuitously
Words similar to fortuitously shift depending on context. Common synonyms include:
serendipitously
by chance
coincidentally
accidentally
providentially
fortunately
by accident
luckily
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Fortuitously. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/fortuitously