adjective
mega
MEH-guh
adjective
1
Extremely large in size, scale, or importance.
"The band is planning a mega concert to celebrate their anniversary."
2
Excellent or impressive.
"That was a mega performance from the whole team."
adverb
1
Extremely; to a very large degree.
"She was mega excited about the trip."
How to Use Mega
Learner’s notesIn plain EnglishA casual intensifier meaning "huge" or "extremely," on top of its literal sense of "very large."
When to use it
Informal — common in spoken English and marketing, not formal writing.
Common pairings
mega hit
mega deal
mega star
Word Forms
more mega comparative, megas plural, Megas plural, most mega superlative
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “mega”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The band is planning a _____ concert to celebrate their anniversary.
Etymology
From the Greek prefix "mega-," meaning "great" or "large" — the same root found in words like megaphone and megabyte.