6
harsh
3
high
1
incisive
1
lurid
1
merry
1
nervous
1
nimble
1
penetrating
1
piercing
0
piquant
0
poignant
0
pointed
0
pungent
0
sagacious
0
searching
0
severe
0
sharp
0
shrewd
0
shrill
0
snappy
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APASmart Define. (2015). rumbling thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rumbling/thesaurus/antonyms
ChicagoSmart Define. 2015. "rumbling thesaurus" https://smartdefine.org/rumbling/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rumbling thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rumbling/thesaurus/antonyms>.
MLASmart Define. "rumbling thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/rumbling/thesaurus/antonyms>