brittle

US /ˈbrɪt̬.əl/
UK /ˈbrɪt̬.əl/
"brittle" picture
1.

hard but liable to break easily

:
The old plastic had become brittle with age.
Her bones were brittle due to osteoporosis.
2.

having a sharp, hard, but not resonant sound

:
The brittle sound of dry leaves crunching underfoot filled the autumn air.
The old piano produced a rather brittle tone.
3.

appearing or sounding cold and unfeeling

:
Her voice was brittle with suppressed anger.
He gave a brittle laugh that lacked warmth.