Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
in-tŏlĕrandus, a, um, adj., insupportable, intolerable (class): tyrannus, Cic. Vatin. 9, 23: anxitudo, Pac. ap. Non. 72, 33 (Trag. Fragm. v. 164 Rib.): res, Cic. Verr. 2, 4, 35, § 78: frigora, Liv. 22, 1: licentia rerum, Cic. Agr. 1, 5, 15: hiems, Liv. 5, 14: superbia, id. 9, 1: factum, Sall. C. 10, 6: tam longi itineris labor, Tac. H. 3, 26: dominatio nobilitati plebique, id. A. 12, 10: auribus, Gell. 10, 12, 1.
Neutr.: intŏlĕrandum, adverbially, insupportably, intolerably: intolerandum fervit, Gell. 17, 8, 8.
in-tŏlĕro, 1, v. a., not to bear, not to suffer, to take ill: tolerat, intolerat, Not. Tir. p. 140.