Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
irrĕlĭgātus (inr-), a, um, adj. [2. inreligatus], unbound: croceas irreligata comas, Ov. A. A. 1, 530: ratis, not moored, Pedo Albin. 2, 5.