Synonyms|28Antonyms|0|Broader|0Narrower|0Related|5
4
suddenly
3
bang
3
plump
2
abruptly
2
plunk
2
surprisingly
2
without warning
1
all at once(expression, idiom)
1
dash
1
hastily
1
impetuously
1
impulsively
1
in haste
1
plop
1
pop
1
sharp
1
slap
1
smack
1
unawares
0
all of a sudden
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APASmart Define. (2015). of a sudden thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/of_a_sudden/thesaurus/synonyms
ChicagoSmart Define. 2015. "of a sudden thesaurus" https://smartdefine.org/of_a_sudden/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, of a sudden thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/of_a_sudden/thesaurus/synonyms>.
MLASmart Define. "of a sudden thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/of_a_sudden/thesaurus/synonyms>