humongous

[ hyoo-muhng-guh s, -mong- or, often, yoo- ]
/ hyuˈmʌŋ gəs, -ˈmɒŋ- or, often, yu- /

adjective Slang.

extraordinarily large.
Also humungous.

Origin of humongous

1965–70, Americanism; expressive coinage, perhaps reflecting huge and monstrous, with stress pattern of tremendous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for humongous

British Dictionary definitions for humongous

humongous
/ (ˌhjuːˈmʌŋɡəs) /

adjective

exceptionally large; huge

Word Origin for humongous

C20: of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012