Synonyms|930Antonyms|179|Broader|3Narrower|8Related|568

66 entries under actively topic. ×

14
gravely(adverb, badly, severely, completely, poorly)
8
in all conscience(expression, idiom, adverb, greatness, really)
7
in earnest(expression, idiom, adverb, resolution, affirmation)
7
thoughtfully(adverb, intensely, earnestly, truly)
5
fervently(adverb, thoroughly, vigorously, earnestly)
3
purposefully(adverb, thoroughly, vigorously, earnestly)
2
all joking aside(expression, idiom, adverb, truly)
2
determinedly(adverb, earnestly, truly, thoughtfully)
2
down(adverb, earnestly, truly, thoughtfully)
2
for real(expression, adverb, earnestly, truly)
2
in all seriousness(expression, idiom, adverb, truly)
2
painstakingly(vigorously, earnestly, hastily, carefully)
2
perseveringly(vigorously, earnestly, hastily, carefully)
2
persistently(vigorously, earnestly, hastily, carefully)
2
sternly(adverb, badly, severely, truly)
1
agilely(vigorously, earnestly, hastily, carefully)
1
arduously(vigorously, earnestly, hastily, carefully)
1
assiduously(vigorously, earnestly, hastily, carefully)
1
carefully(vigorously, earnestly, hastily, energetically)
1
cool it(expression, adverb, earnestly, truly)
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ChicagoSmart Define. 2016. "seriously thesaurus" https://smartdefine.org/seriously/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, seriously thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/seriously/thesaurus/synonyms>.
MLASmart Define. "seriously thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/seriously/thesaurus/synonyms>