Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

acūpĕdius,dicebatur, cui praecipuum erat in currendo acumen pedum,” swift of foot, Paul. ex Fest. p. 9 Müll. [qs. acer + pes; cf. Gr. ὀξύπους, ὠκύπους].