6
eye-opening
4
undesigned
2
accidental(adjective, deliberate, unmethodical, unexpectedly, fluky)
2
fluky(adjective, chance, unmethodical, lucky-dog)
2
fortuitous(adjective, lucky, unmethodical, accidental, fluky)
2
unintentional
1
chance(adjective, unmethodical, accidental, fluky, unforeseeable)
1
chanced
1
coincidental(adjective, intentional, unmethodical, accidental, fluky)
1
haphazard(adjective, organization, plan, unmethodical, fluky)
1
improvised(adjective, planned, unmethodical, fluky, lucky-dog)
1
mechanic
1
mechanical
1
unplanned(adjective, deliberate, unmethodical, fluky, lucky-dog)
0
ad lib(expression, adjective, unmethodical, fluky, lucky-dog)
0
aleatory(adjective, unmethodical, fluky, lucky-dog)
0
all over the map(expression, adjective, idiom, unmethodical, fluky)
0
any old way(expression, adjective, idiom, careful, definite)
0
artless
0
at random(expression, adjective, unmethodical, fluky, lucky-dog)
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). designed thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/designed/thesaurus/antonyms
ChicagoSmart Define. 2015. "designed thesaurus" https://smartdefine.org/designed/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, designed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/designed/thesaurus/antonyms>.
MLASmart Define. "designed thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/designed/thesaurus/antonyms>