i Register
In some senses, high-pitched is marked as dated, figuratively. Watch for register when choosing this word.
ADJ.
annoying, constant, creepy, english, inaudible, little, stressless
VERB + HIGH-PITCHED
heard, let, make, produce, screamed, spoke
HIGH-PITCHED + NOUN
boilers, moo, squeals, tom's, whine
PREP.
from, in, in, out