horrendum
horrendum is a Latin form of horreo, meaning “shudder (at), tremble; bristle, stand on end”. It is the gerundive accusative singular neuter.
Found 46 times in the Latin texts on Socratos.
Where it is used
Cicero, Tusculanae Disputationes 2.2: … quieto nullo modo potest; sed qui non modo quia necesse est mori, verum etiam quia nihil habet mors quod sit horrendum, mortem non timet, magnum is sibi praesidium ad beatam vitam comparavit.
All forms of horreo (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.