Parts of Speech for Upside down
up·side down
U u Gramatical Hierarchy
Grammatically "Upside Down" is a adverb. But also it is used as a adjective.
All about upside down Download all about upside down in pdfGrammatically "Upside Down" is a adverb. But also it is used as a adjective.
All about upside down Download all about upside down in pdf