Solutions A shrill whistle of disapproval has 19 entries with similar clues
- yipShrill bark
- yapA shrill bark
- taxiWhistle to summon one, perhaps
- as-aClean ... whistle: 2 wds.
- trillShrill warble
- reedyShrill tone
- kettleDomestic appliance that can whistle
- squeakShrill cry
- blaringLoud and shrill
- raucousShrill
- screechShrill cry
- informerWhistle-blower
- stridentShrill
- piercingShrill
- full-timeFinal whistle
- highpitchedShrill
- ear-piercingLoud and shrill
- stridulationGrasshopper's shrill grating chirp
- earsplittingPainfully shrill