As the night grew darker, the owl's call became shriller, cutting through the silence.

Of all the alarms in the building, the smoke detector emitted the shrillest warning.

The alarm clock began shrillingly, jolting me awake before dawn.

They used the nickname Shrillary to mock her stance on trade.

Her shrillish laugh cut through the quiet room and made everyone look up.

Her shrilly laugh echoed down the hallway, making everyone glance up.

When the alarm went off, Sarah shrilly warned everyone to evacuate immediately.