39 entries under simple topic. ×

2
natural(adjective, honest, plain, casual)
2
unsophisticated(adjective, honest, plain, natural)
1
ad-lib(adjective, natural, casual, impulsive)
1
automatic(adjective, natural, casual, impulsive)
1
break loose(expression, adjective, natural, casual)
1
casual(adjective, natural, impulsive, willing)
1
down(adjective, natural, casual, impulsive)
1
extemporaneous(adjective, natural, casual, impulsive)
1
extempore(adjective, natural, casual, impulsive)
1
free(adjective, natural, casual, impulsive)
1
free spirited(expression, adjective, natural, casual)
1
from the hip(expression, adjective, idiom, natural)
1
impetuous(adjective, natural, casual, impulsive)
1
impromptu(adjective, natural, casual, impulsive)
1
improvised(adjective, natural, casual, impulsive)
1
impulsive(adjective, natural, casual, willing)
1
inevitable(adjective, natural, casual, impulsive)
1
instinctive(adjective, natural, casual, impulsive)
1
involuntary(adjective, natural, casual, impulsive)
1
irresistible(adjective, natural, casual, impulsive)
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APASmart Define. (2013). unartful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unartful/thesaurus/synonyms
ChicagoSmart Define. 2013. "unartful thesaurus" https://smartdefine.org/unartful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, unartful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unartful/thesaurus/synonyms>.
MLASmart Define. "unartful thesaurus" 27 June 2013. Web. 28 September 2026. <https://smartdefine.org/unartful/thesaurus/synonyms>