Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* irrīdĭcŭlē (inr-), adv. [2. in-ridicule], unwittily: non irridicule quidam ex militibus dixit, i.e. wittily, Caes. B. G. 1, 42, 6.