trepidare
trepidare is a Latin form of trepido, meaning “tremble, be alarmed; hurry about”. It is the present active infinitive.
Found 37 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 5.33.1: Tum demum Titurius, qui nihil ante providisset, trepidare et concursare cohortesque disponere, haec tamen ipsa timide atque ut eum omnia deficere viderentur; quod plerumque eis accidere consuevit, qui in ipso negotio consilium capere coguntur.
All forms of trepido (conjugation table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.