308 entries under straightforward topic. ×

2
manageable(adjective, quiet, clear, light, smooth)
2
mundane(adjective, dull, mean, simple, tough)
2
no-nonsense(adjective, calm, open, honest, true)
2
on the level(expression, adjective, idiom, good, open)
2
primitive(adjective, open, simple, easy)
2
prosy(adjective, dull, simple, tough, flat)
2
raw(adjective, simple, natural, bare)
2
rudimentary(adjective, simple, basic, fundamental)
2
scrupulous(open, free, honest, fair)
2
sensible(adjective, visual, sound, physical, significant)
2
serene(adjective, calm, quiet, light, simple)
2
sharp(adjective, clear, simple, exact)
2
simplex(simple, basic, fundamental, uncomplicated)
2
simplified(simple, basic, fundamental, uncomplicated)
2
slight(adjective, dull, clear, light, weak)
2
talking turkey(expression, adjective, clear, simple, friendly)
2
tame(adjective, dull, quiet, weak, simple)
2
temperate(adjective, calm, quiet, light, weak)
2
undesigning(adjective, open, simple, easy, honest)
2
undisputed(precise, unambiguous)
10 years ago|64k views|share |citing 
APASmart Define. (2016). plain thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>