14 entries under expression topic. ×

1
at ease(adjective, idiom, calm, unconcerned)
1
at peace(idiom, calm, tranquil, serene)
1
in control(idiom, tranquil, unperturbed)
0
cool as a cucumber(idiom, calm, composed)
0
cool as cucumber(idiom, calm, cool, unflappable)
0
cool cat(adjective, calm, detached, unemotional)
0
free from anxiety
0
hard as nails(idiom, calm, cool, unflappable)
0
in clover(adjective, calm, unconcerned, unruffled)
0
laid back(adjective, calm, detached, unemotional)
0
not disturbed
0
not worried
0
roll with punches(idiom, calm, cool, unflappable)
0
stiff upper lip(idiom, calm, cool, unflappable)
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APASmart Define. (2015). unflustered thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unflustered/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflustered thesaurus" https://smartdefine.org/unflustered/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unflustered thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unflustered/thesaurus/synonyms>.
MLASmart Define. "unflustered thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/unflustered/thesaurus/synonyms>