Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
incūrĭa, ae, f. [2. in-cura], want of care, carelessness, negligence, neglect (class.): milites populi R. incuriā, fame, morbo, vastitate consumpti, Cic. Prov. Cons. 3: magistratuum, Tac. A. 3, 31: eorum comperta, id. ib. 4, 48: vel tolerantia, id. Agr. 20: rei maxime necessariae, Cic. Lael. 23, 86: maculae quas aut incuria fudit Aut, etc., Hor. A. P. 352: capilli, Tert. Poen. ext.