Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ardĕlĭo, ōnis, m. [ardeo], prop. a zealous person; hence, in a bad sense, a busybody, a meddler, = πολυπράγμων, Phaedr. 2, 5, 1 sq.; cf. the epigrams of Mart. 2, 7; 4, 79.