[{"Bold_text": "verb (used with or without object)", "List Items": ["to collect or gather into a cluster or mass.Synonyms: accumulate , amass , assemble Antonyms: scatter , disperse"]}, {"Bold_text": "adjective", "List Items": ["gathered together into a cluster or mass.", "Botany.crowded into a dense cluster, but not cohering."]}, {"Bold_text": "noun", "List Items": ["a mass of things clustered together.", "rock composed of rounded or angular volcanic fragments."]}]