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pressed down(expression, adverb, seriously, actively, thoughtfully)
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purposefully(adverb, seriously, vigorously, earnestly, actively)
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resolutely(adverb, vigorously, earnestly, actively, sincerely)
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sedately(adverb, vigorously, earnestly, actively, sincerely)
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sensationless(adjective, unfeeling, hard-hearted, nowhere, obdurate)
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seriously(adverb, actively, thoughtfully, purposefully, underfoot)
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sidewise(adverb, seriously, actively, thoughtfully, purposefully)
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simmer down(expression, adverb, seriously, vigorously, earnestly)
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sober(adjective, cool, detached, unemotional)
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soberly(adverb, vigorously, earnestly, actively, sincerely)
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solemnly(adverb, vigorously, earnestly, actively, sincerely)
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sternly(adverb, seriously, vigorously, earnestly, actively)
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straighten out(expression, adverb, seriously, vigorously, earnestly)
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thoughtfully(adverb, seriously, vigorously, earnestly, actively)
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to the bottom(expression, idiom, adverb, seriously, actively)
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unaffected(adjective, detached, blank, unfeeling, impassive)
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unamiable(adjective, unfeeling, hard-hearted, nowhere, obdurate)
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uncordial(adjective, unfeeling, hard-hearted, nowhere, obdurate)
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under(adverb, seriously, actively, thoughtfully, purposefully)
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underfoot(adverb, seriously, actively, thoughtfully, purposefully)
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APASmart Define. (2011). with straight face thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/with_straight_face/thesaurus/synonyms
ChicagoSmart Define. 2011. "with straight face thesaurus" https://smartdefine.org/with_straight_face/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2011, with straight face thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/with_straight_face/thesaurus/synonyms>.
MLASmart Define. "with straight face thesaurus" 21 May 2011. Web. 26 September 2026. <https://smartdefine.org/with_straight_face/thesaurus/synonyms>