Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕsĕs, ĭdis (nom. sing. does not occur), adj. [resideo], that remains sitting, that stays behind, that remains; also, motionless, inactive, inert, unoccupied, idle, sluggish, lazy, etc. (syn.: segnis, tardus, desidiosus; not freq. till after the Aug. per.; not found in Cic. or (Cæs.): reses ignavus, quia residet, Paul. ex Fest. p. 280 Müll.; cf. Pac. and Afran. ap. Fest. p. 281 ib. (Trag. Rel. p. 66 Rib.; Com. Rel. p. 170 ib.); Lucil. ap. Fest. p. 213 Müll. dub.: aqua, standing or stagnant water, Varr. R. R. 3, 17, 8; cf. fluctus, calm, Claud. Epigr. 86, 2: caseus in corpore, undigested (opp. alibilis), Varr. R. R. 2, 11, 3: plebs in urbe. remaining, Liv. 2, 32, 5: clamorem pugnantium crepitumque armorum exaudimus resides ipsi ac segnes, id. 25, 6; 6, 23; Verg. A. 6, 814; 7, 693: resides et desuetudine tardi, Ov. M. 14, 436; Phaedr. 5, 1, 7: praevertere amore Jam pridem resides animos, Verg. A. 1, 722: anni, passed in inaction, Claud. B. Get. praef. 1: nervi, long untouched, id. Rapt. Pros. 2, praef. 15.