Frangible

1. Able to be broken; breakable, fragile. [from early 15th c.]

Usage notes

The word is often used to refer to objects which are made intentionally breakable, either as part of their operation (such as frangible bullets and frangible nuts), or for use in an emergency (such as frangible light poles or smoke outlet panels).

Synonyms

• fragmentable (not idiomatically interchangeable although denotatively equal)

Antonyms

• infrangible, indestructible, nonbrittle, unbreakable, unfragile
• unfrangible (obsolete)