125 entries under open topic. ×

1
no fooling(expression, honest, true, straightforward)
1
on the line(expression, idiom, honest, true)
1
on up and up(expression, idiom, honest, true)
1
pointed(adjective, clear, exact, certain)
1
pretensionless(honest, true, straightforward, straight)
1
righteous(honest, true, straightforward, straight)
1
saintly(honest, true, straightforward, straight)
1
serious(adjective, calm, tough, honest)
1
square(simple, honest, true, straightforward)
1
straight from the shoulder(expression, adjective, idiom, easy)
1
sure enough(expression, honest, pure, true)
1
true-blue(honest, true, straightforward, straight)
1
twenty-four carat(expression, adjective, clean, honest)
1
unassumed(adjective, smooth, simple, easy)
1
unbiased(adjective, friendly, appropriate, honest)
1
unembarrassed(adjective, smooth, simple, easy)
1
unforced(adjective, smooth, simple, easy)
1
unprejudiced(adjective, friendly, appropriate, honest)
1
unpretended(honest, true, straightforward, real)
1
unworldly(adjective, simple, easy, natural)
10 years ago|64k views|share |citing 
APASmart Define. (2016). plain thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>