7
accidentally
4
unintentionally
3
circumstantially
3
haphazardly
3
inadvertently
2
involuntarily
2
randomly
2
unexpectedly
1
aimlessly
1
arbitrarily
1
by chance(expression, idiom)
1
incidentally
1
instinctively
1
subconsciously
1
unconsciously
1
unknowingly
1
unwittingly
0
abruptly
0
adventitiously
0
anyhow
11 years ago|1k views|share |citing 
APASmart Define. (2015). purposely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/purposely/thesaurus/antonyms
ChicagoSmart Define. 2015. "purposely thesaurus" https://smartdefine.org/purposely/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, purposely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/purposely/thesaurus/antonyms>.
MLASmart Define. "purposely thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/purposely/thesaurus/antonyms>