7
unintended(adjective, characteristic, occasion, accident)
7
unintentional(adjective, characteristic, occasion, accident)
7
unplanned(adjective, characteristic, occasion, accident)
5
affiliation(noun, match, relationship, couple, marriage)
5
combination(noun, match, relationship, couple, marriage)
5
couple(noun, match, relationship, marriage)
5
duet(noun, match, relationship, couple, marriage)
5
espousal(noun, match, relationship, couple, marriage)
5
marriage(noun, match, relationship, couple)
5
match(noun, relationship, couple, marriage)
5
mating(noun, match, relationship, couple, marriage)
5
pair(noun, match, relationship, couple, marriage)
5
pairing(noun, match, relationship, couple, marriage)
5
partnership(noun, match, relationship, couple, marriage)
5
union(noun, match, relationship, couple, marriage)
4
absent-minded(adjective, characteristic, occasion, accident)
4
abstracted(adjective, characteristic, occasion, accident)
4
accidental(adjective, characteristic, occasion, accident)
4
cursory(adjective, characteristic, occasion, accident)
4
disregardful(adjective, characteristic, occasion, accident)
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APASmart Define. (1970). casual relationship thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/casual_relationship/thesaurus/related
ChicagoSmart Define. 1970. "casual relationship thesaurus" https://smartdefine.org/casual_relationship/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, casual relationship thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/casual_relationship/thesaurus/related>.
MLASmart Define. "casual relationship thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/casual_relationship/thesaurus/related>