Brittle
Part of speech: adjective
Definition: Inflexible, may break or snap easily under stress or pressure. Said of rocks and minerals with a conchoidal fracture; capable of being knapped or flaked. Not physically tough or tenacious; apt to break or crumble when bending. Emotionally fragile, easily offended.
Part of speech: noun
Definition: A confection of caramelized sugar and nuts; brickle.
Coldhearted
Part of speech: adjective
Definition: Without sympathy, feeling or compassion; callous or heartless