[{"Bold_text": "adjective", "List Items": ["having a space or cavity inside; not solid; empty:a hollow sphere.", "having a depression or concavity:a hollow surface.", "sunken, as the cheeks or eyes.", "(of sound) not resonant; dull, muffled, or deep:a hollow voice.", "without real or significant worth; meaningless:a hollow victory.Synonyms: pointless , futile , empty , vain", "insincere or false:hollow compliments.", "hungry; having an empty feeling:I feel absolutely hollow, so let's eat."]}, {"Bold_text": "noun", "List Items": ["an empty space within anything; a hole, depression, or cavity.", "a valley:They took the sheep to graze in the hollow.", "Foundry.a concavity connecting two surfaces otherwise intersecting at an obtuse angle."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make hollow (often followed byout):to hollow out a log.", "to form by making something hollow (often followed byout):to hollow a place in the sand;boats hollowed out of logs."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become hollow."]}, {"Bold_text": "adverb", "List Items": ["in a hollow manner:The politician's accusations rang hollow."]}]