mega
adjective
[ ˈmɛɡə ]
• very large; huge.
• "he has signed a mega deal to make five movies"
• excellent.
• "it will be a mega film"
mega
adverb
• extremely.
• "they are mega rich"
Origin:
1980s: independent usage of mega-.
mega-
combining form
• large.
• "megalith"
• (in units of measurement) denoting a factor of one million (106).
• "megahertz"
• denoting a factor of 220.
Origin:
from Greek megas ‘great’.