alteration of Middle Englishhidous, from Anglo-Frenchhidus, hisdos, from Old Frenchhisde, hide terror
14th century, in the meaning defined atsense 1
“Hideous.”Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hideous. Accessed 18 May. 2025.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Merriam-Webster unabridged