We found 3 dictionaries that define the word mega city:

General (2 matching dictionaries)

1. mega-city: Wordnik
2. Mega City (The Matrix), Mega city: Wikipedia, the Free Encyclopedia

Slang (1 matching dictionary)

3. Mega City: Urban Dictionary

▸ Words similar to mega city ▸ Usage examples for mega city ▸ Idioms related to mega city ▸ Wikipedia articles (New!) ▸ Words that often appear near mega city ▸ Rhymes of mega city ▸ Invented words related to mega city