115 entries under idiom topic. ×

1
hard on the eyes(expression, adjective, ordinary, ugly)
1
honest to God(expression, open, honest, true)
1
level land(noun, expression, flat, lowland)
1
like a babe in the woods(expression, simple, honest, innocent)
1
loud and clear
1
meadows and pastures
1
mean sea level
1
meat and potatoes(expression, simple, straightforward, basic)
1
no great shakes(expression, adjective, simple, ordinary)
1
not much to look at(expression, adjective, awful, beautiful)
1
nothing to it
1
of a piece
1
of same height(expression, adjective, calm, smooth)
1
on a line(expression, adjective, calm, smooth)
1
on a par(expression, adjective, calm, smooth)
1
on one plane(expression, adjective, calm, smooth)
1
on the line(expression, open, honest, true)
1
on up and up(expression, open, honest, true)
1
out and out(expression, clear, damned)
1
piece of cake(expression, clear, light, smooth)
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APASmart Define. (2016). plain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>