brittle, toffee, toffy -- (caramelized sugar cooled in thin sheets)
Overview of adj brittle
The adj brittle has 3 senses
brittle, brickle, brickly -- (having little elasticity; hence easily cracked or fractured or snapped; "brittle bones"; "glass is brittle"; "`brickle' and `brickly' are dialectal")
brittle -- (lacking warmth and generosity of spirit; "a brittle and calculating woman")
brittle, unannealed -- ((of metal or glass) not annealed and consequently easily cracked or fractured)