[{"Bold_text": "verb (used with object)", "List Items": ["to attach firmly or securely in place; fix securely to something else.Synonyms: tether , tie , bind , clamp , rivet , clinch , clasp , hook , link , connect", "to make secure, as an article of dress with buttons, clasps, etc., or a door with a lock, bolt, etc.", "to enclose securely, as a person or an (usually followed byin):to fasten a monkey in a cage.", "to attach, associate, or connect:to fasten a nickname on someone.", "to direct (the eyes, thoughts, etc.) intently:to fasten one's eyes on a speaker."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become fast, fixed, or firm.", "to close firmly or securely; lock:This clasp won't fasten.", "to take a firm hold; seize (usually followed byonorupon):to fasten on an idea.", "to focus attention; concentrate (usually followed byonorupon):His gaze fastened on the jewels."]}]