4
inartificial(adjective, open, simple, easy, real)
4
involuntary(adjective, simple, natural, casual, impulsive)
4
unartificial(adjective, simple, clean, honest, plain)
4
unconstrained(adjective, simple, natural, casual, impulsive)
4
unexamined
4
unexplored(adjective, neglect)
4
unintentional(adjective, simple, natural, casual, impulsive)
4
unsearched
4
untutored(adjective, simple, slow, stupid, natural)
3
extemporized(adjective, spontaneous, unprepared, unplanned, unrehearsed)
3
frank(adjective, open, easy, honest, plain)
3
free and easy(expression, adjective, idiom, relaxed)
3
honest(adjective, plain, natural, straightforward, innocent)
3
impulsive(adjective, open, simple, easy, natural)
3
inadvertent
3
off the cuff(expression, adjective, idiom, free, impromptu)
3
straightforward(adjective, open, simple, easy, honest)
3
unarranged(adjective, spontaneous, unprepared, unplanned, unrehearsed)
3
uncalculated
3
unconsidered
11 years ago|7.8k views|share |citing 
APASmart Define. (2015). unstudied thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unstudied/thesaurus/synonyms
ChicagoSmart Define. 2015. "unstudied thesaurus" https://smartdefine.org/unstudied/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unstudied thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unstudied/thesaurus/synonyms>.
MLASmart Define. "unstudied thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unstudied/thesaurus/synonyms>