Lewis & Short

mĕtĭcŭlōsus, a, um, adj. [metus], full of fear.

  1. I. Fearful, timid (ante- and postclass.): nullus est hoc meticulosus aeque, Plaut. Am. 1, 1, 137; Dig. 4, 2, 7: lepus, App. Flor. p. 341, 9.
  2. * II. Frightful, terrible: res, Plaut. Most. 5, 1, 52.