75 entries under plain topic. ×

2
outspoken(open, direct, free, honest)
2
plain-spoken(adjective, open, direct, free, honest)
2
pure(adjective, simple, natural, straightforward)
2
saying what one thinks(expression, adjective, idiom, open, direct)
2
truthful(adjective, open, direct, free, easy)
2
unartful(adjective, honest, innocent, artless)
2
uninhibited(adjective, open, direct, free, easy)
2
unrestricted(adjective, open, direct, free, easy)
2
up front(expression, adjective, open, direct, free)
2
upright(adjective, open, direct, free, easy)
1
apparent(adjective, open, direct, free, easy)
1
bold(adjective, open, direct, free, easy)
1
familiar(adjective, calm, open, direct, free)
1
amateur(adjective, new, raw, innocent)
1
brazen(adjective, open, direct, free, easy)
1
call a spade a spade(expression, adjective, idiom, open, direct)
1
completely honest(expression, adjective, open, direct, free)
1
free(adjective, open, direct, easy, honest)
1
from the hip(expression, adjective, idiom, open, direct)
1
like a babe in the woods(expression, adjective, idiom, simple, friendly)
10 years ago|23k views|share |citing 
APASmart Define. (2016). naïve thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/na%C3%AFve/thesaurus/synonyms
ChicagoSmart Define. 2016. "naïve thesaurus" https://smartdefine.org/na%C3%AFve/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, naïve thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/na%C3%AFve/thesaurus/synonyms>.
MLASmart Define. "naïve thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/na%C3%AFve/thesaurus/synonyms>