Simple Definition of horrendous
: very bad or unpleasant
Examples of horrendous
Her taste in clothes is horrendous.
<a horrendous explosion shook the building>
Origin of horrendous
Latin horrendus, from gerundive of horrēre
First Known Use: 1659
Seen and Heard
What made you want to look up horrendous? Please tell us where you read or heard it (including the quote, if possible).