57 entries under adjective topic. ×

1
unamusing(tough, severe, important, significant)
1
unhumorous(tough, severe, important, deep)
1
weighty(tough, severe, deep, thoughtful)
1
worrying(tough, severe, important, significant)
0
aper(destructive, demoniac, annihilative)
0
big league
0
brutish(destructive, aper, demoniac, annihilative)
0
feller(tough, deep, resolute, meaningful)
0
fierce(destructive, aper, demoniac, annihilative)
0
heavyweight
0
major-league
0
no fooling(expression, determined, thoughtful, sober)
0
no nonsense(expression, determined, thoughtful, somber)
0
sincere(thoughtful, sober, serious, solemn)
0
sober(thoughtful, serious, sincere, solemn)
0
thoughtful(sober, serious, sincere, somber)
0
tigerish(destructive, aper, demoniac, annihilative)
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APASmart Define. (2011). playing hard ball thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/playing_hard_ball/thesaurus/synonyms
ChicagoSmart Define. 2011. "playing hard ball thesaurus" https://smartdefine.org/playing_hard_ball/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2011, playing hard ball thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/playing_hard_ball/thesaurus/synonyms>.
MLASmart Define. "playing hard ball thesaurus" 24 May 2011. Web. 28 September 2026. <https://smartdefine.org/playing_hard_ball/thesaurus/synonyms>