[{"Bold_text": "adjective", "List Items": ["extraordinary in size, amount, extent, degree, force, etc.:a prodigious research grant.Synonyms: tremendous , gigantic , huge , immense , enormous Antonyms: tiny", "wonderful or marvelous:a prodigious feat.Synonyms: miraculous , wondrous , astounding , stupendous , amazing Antonyms: ordinary", "abnormal; monstrous.", "Obsolete. ominous ."]}]