5
foolishly(adverb, dully, foolishly, stupidly)
5
mutely(adverb, silently)
5
stupidly(adverb, dully, foolishly)
4
densely
4
silently(adverb, silently)
4
speechlessly
4
voicelessly
3
dully(adverb, stupidly)
3
idiotically(adverb, foolishly)
3
obtusely(adverb, dully, stupidly)
2
brainlessly(adverb, foolishly)
2
doltishly(adverb, foolishly)
2
inanely(adverb, foolishly)
2
moronically(adverb, foolishly)
2
noiselessly(adverb, silently)
2
quietly(adverb, silently)
2
soundlessly(adverb, silently)
2
taciturnly
1
absurdly(adverb, foolishly)
1
asininely
12 years ago|3.5k views|share |citing 
APASmart Define. (2014). dumbly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dumbly/thesaurus/synonyms
ChicagoSmart Define. 2014. "dumbly thesaurus" https://smartdefine.org/dumbly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2014, dumbly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dumbly/thesaurus/synonyms>.
MLASmart Define. "dumbly thesaurus" 27 March 2014. Web. 21 September 2026. <https://smartdefine.org/dumbly/thesaurus/synonyms>