brittle

nouns

caramelized sugar cooled in thin sheets

adjectives

having little elasticity; hence easily cracked or fractured or snapped
"brittle bones"; "glass is brittle"; "`brickle' and `brickly' are dialectal"
is derived from
lacking warmth and generosity of spirit
"a brittle and calculating woman"
is similar to
lacking in sympathy or feeling
(of metal or glass) not annealed and consequently easily cracked or fractured
is derived from