115 entries under idiom topic. ×

4
open and shut(expression, adjective, clear, simple)
4
open country(noun, expression, flat, land)
3
easy as pie(expression, adjective, quiet, clear)
3
knit stitch(noun, expression)
3
pure and simple(expression, adjective, simple, clean)
2
clear as day
2
lay it on the line(expression, adjective, good, open)
2
like it is(expression, honest, straightforward, sincere)
2
matter of fact(expression, sober, realistic, factual)
2
on the level(expression, adjective, good, open)
2
open space
2
plain stitch(noun, expression)
2
short on looks(expression, adjective, beautiful)
2
ugly as sin(expression, ugliness)
1
below the salt
1
big as life(expression, adjective, clear, obvious)
1
clear as crystal
1
dull as dishwater(expression, adjective, dull, weak)
1
fair and square(expression, fair, proper, candid)
1
free and easy
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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>