trepidas
trepidas is a Latin form of trepidus, meaning “alarmed, anxious, trembling; agitated”. It is the accusative plural feminine adjective.
It can also be a form of trepido, “tremble, be alarmed; hurry about”.
Found 34 times in the Latin texts on Socratos.
Where it is used
Ovid, Amores 3.8.26: Sed trepidas acies et fera castra sequi
All forms of trepidus (declension 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.