mucho
1 of 2adverb
mu·cho ˈmü-(ˌ)chō 
: to a high degree : very
… a mucho funny riff on the Temptations' "Ball of Confusion" …
Lisa Kennedy
Lisa Kennedy… the lavish lifestyles … in which all seem to own fantastic hair and drive mucho-expensive automobiles. Al Alexander
Al Alexandermucho
2 of 2adjective
: a lot of : much
DeMann convinced Mottola to spend more than $200,000 on an elaborate stage production with mucho pulchritude (including a sexy belly dance by Shakira) and pyrotechnics. Marc Weingarten
Marc WeingartenNot surprisingly, there was mucho grumbling from sleazy ticket brokers. Kim Neely
Kim Neely
Word History
Etymology
Adverb
borrowed from Spanish — more at mucho entry 2
Adjective
borrowed from Spanish, going back to Latin multus "many, much" — more at meliorate
Note: The acceptance of mucho as an English word has most likely profited from its resemblance to much entry 1, to which it is etymologically unrelated.
First Known Use
Adverb
1870, in the meaning defined above
Adjective
1877, in the meaning defined above