15
high-pitched(adjective, sharp, intense, high, painful)
15
soprano(noun, adjective, person, sharp, high)
13
ternary(adjective, triplication)
11
acute(adjective, music, sharp, intense, high)
11
shrill(adjective, sharp, harsh, intense, high)
11
threefold(adjective, triple, triplication)
11
triple(adjective, three, triplication, three-way)
10
piercing(adjective, sharp, intense, high, loud)
9
high(adjective, strong, sharp, intense, high)
9
triplex
8
sharp(adjective, high)
7
strident(adjective, sharp, intense, high, loud)
6
double
6
dual
6
falsetto(noun, adjective, high, shrill, high-pitched)
6
penetrating(adjective, sharp, intense, high, loud)
6
piping(adjective, sharp, high, piercing, strident)
6
three-fold
6
trine(noun, adjective, triplication)
5
two-fold
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APASmart Define. (2015). Treble thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/treble/thesaurus/synonyms
ChicagoSmart Define. 2015. "Treble thesaurus" https://smartdefine.org/treble/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, Treble thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/treble/thesaurus/synonyms>.
MLASmart Define. "Treble thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/treble/thesaurus/synonyms>