Enormous; huge: a mondo list of pizza toppings. (adjective)
Extremely; very: a mondo big mistake. (adverb)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mondo" in a sentence
"Of course, the word mondo is Italian for world, but how far does that get you?"
"It is during the question and answer period ( 'mondo') that learning is considered to take place (the saying is, "sosan is for teaching, mondo for learning") and since the writer and reader are 'once removed', the medium of print is but a poor substitute for face to face teaching, and no real substitute for learning, particularly since it does not provide the opportunity for questions and answers."
"The latter detail, of course, accounts for the "mondo" portion of my meatloaf title!"