What are the best answers for “having the timbre of a loud high-pitched sound”?

shrillness, stridence, stridency.

How many letters does the top answer for “having the timbre of a loud high-pitched sound” have?

The most common answer is shrillness (10 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

shrillness 10 letters wn-def

having the timbre of a loud high-pitched sound

stridence 9 letters wn-def

having the timbre of a loud high-pitched sound

stridency 9 letters wn-def

having the timbre of a loud high-pitched sound