a. rare. [f. scholastic L. acatalēpticus (Fr. acataleptique) f. Gr. ἀκατάληπτ-ος incomprehensible + -icus, see -IC.] Relating to acatalepsy; incapable of being certainly comprehended or ascertained.
[1731. in Bailey.]
1847. Lewes, Hist. Philos. (1871), I. 369. According to the Academicians all Perceptions were acataleptic, i.e. bore no conformity to the objects perceived.
