87 entries under expression topic. ×

1
like it is(idiom, open, honest, true)
1
lost in thought(adjective, idiom, reasonable, thoughtful)
1
mean business(adjective, sober, resolute, persistent)
1
no fooling(honest, true, straightforward, earnest)
1
not turn a hair(adjective, idiom, calm, relaxed)
1
of moment(big, significant, substantial, valuable)
1
of note(big, significant, substantial, valuable)
1
of substance(big, significant, substantial, valuable)
1
on ice(adjective, resolute, persistent, unwavering)
1
on the level(idiom, open, honest, true)
1
on the line(honest, true, straightforward, earnest)
1
on up and up(honest, true, straightforward, earnest)
1
out for blood(adjective, idiom, weighty, aper)
1
playing hard ball(adjective, idiom, great, heavy)
1
set on(adjective, firm, resolute, persistent)
1
something else(adjective, unusual, important, famous)
1
strictly business(adjective, great, heavy, weighty)
1
sure enough(honest, true, straightforward, earnest)
1
sure of oneself(adjective, idiom, calm, relaxed)
1
toned down(adjective, calm, quiet, gentle)
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APASmart Define. (2016). serious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/serious/thesaurus/synonyms
ChicagoSmart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, serious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>.
MLASmart Define. "serious thesaurus" 24 February 2016. Web. 22 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms>