[{"Bold_text": "adjective", "List Items": ["having hardness and rigidity but little tensile strength; breaking readily with a comparatively smooth fracture, as glass.Synonyms: fragile", "easily damaged or destroyed; fragile; frail:a brittle marriage.", "lacking warmth, sensitivity, or compassion; aloof; self-centered:a self-possessed, cool, and rather brittle person.", "having a sharp, tense quality:a brittle tone of voice.", "unstable or impermanent; evanescent."]}, {"Bold_text": "noun", "List Items": ["a confection of melted sugar, usually with nuts, brittle when cooled:peanut brittle."]}, {"Bold_text": "verb (used without object)", "List Items": ["to be or become brittle; crumble."]}]