What is the meaning of Brittle?

Inflexible; liable to break, snap, or shatter easily under stress, pressure, or impact; crackly.

Not physically tough or tenacious; apt to break or crumble when bending.

Said of rocks and minerals with a conchoidal fracture; capable of being knapped or flaked.

Emotionally fragile, easily offended.

Poorly error- or fault-tolerant; having little in the way of redundancy or defense in depth; susceptible to catastrophic failure in the event of a relatively-minor malfunction or deviance.

Diabetes that is characterized by dramatic swings in blood sugar level.

A confection of caramelized sugar and nuts.

Anything resembling this confection, such as flapjack, a cereal bar, etc.

To become brittle.

To gut.

Source: wiktionary.org