Definitions

1. adjective

liable to break or crack easily; fragile or brittle in texture or material

“The old glass vase was brittle and broke into pieces when dropped.”

2. noun

a brittle or fragile part or point of something

“The brittleness of the ice made it difficult to skate.”

3. verb

to break or become brittle, especially as a result of being frozen or dehydrated

“The leaves began to brittle in the cold winter air.”