12
provisional(adjective, new, unsettled, trial, indefinite)
12
tentative(adjective, new, unsettled, trial, experiment)
7
experimental(adjective, new, fresh, unsettled, trial)
6
provisionary(adjective, unsettled, indefinite, temporary, tentative)
5
trial(adjective, new, unsettled, indefinite, temporary)
4
conditional
4
empirical(adjective, essay)
4
probative(adjective, experiment)
3
probational
3
test(adjective, new, unsettled, trial, temporary)
2
doubtful
2
probatory
2
dependent
2
heuristic
2
momentary
2
pilot(adjective, new, trial, untried, tentative)
2
testing(adjective, balloon, tentative, experimental, investigative)
2
trial-and-error(adjective, new, fresh, trial, untried)
1
contingent
1
probation
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APASmart Define. (2015). probationary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/probationary/thesaurus/synonyms
ChicagoSmart Define. 2015. "probationary thesaurus" https://smartdefine.org/probationary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, probationary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/probationary/thesaurus/synonyms>.
MLASmart Define. "probationary thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/probationary/thesaurus/synonyms>