mondo adjective 1adverb 1noun 1forms 3 adjective1 •(US, slang) Big, large; major, significant.[…] I mean, me bein' here has caused us some mondo problems, so I shoulda figured out that not bein' here anymore would cause some more problems — " — 1997 adverb1 •(US, slang) Very, extremely, really."This rain is mondo depressing," Sam sighed as she stared out the sliding glass doors that led to the Hewitts' deck. — 1992 noun1 •A dialogue between master and student designed to obtain an intuitive truth. formsmondos · more mondo · most mondo
