adjective
Common
mega
MEH-guh
Mega (adjective) means Extremely large in size, scale, or importance. Example: “The shop is opening a mega store with three floors and a cafe.”
adjective
1
Extremely large in size, scale, or importance.
"The shop is opening a mega store with three floors and a cafe."
"They signed a mega deal that will keep the factory busy for years."
"The band is planning a mega concert to celebrate their anniversary."
2
Excellent or impressive.
"Your cooking last night was mega, and everyone asked for the recipe."
"That's a mega goal, and the whole stadium went wild!"
"That was a mega performance from the whole team."
adverb
1
Extremely; to a very large degree.
"The new game is mega popular with the kids at my school."
"He was mega tired after the long flight, so he slept all afternoon."
"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
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Word forms
- Plural
- megas
- Comparative
- more mega
- Superlative
- most mega
Fill the gap
Can you complete this real example?
The shop is opening a _____ store with three floors and a cafe.
Etymology
From the Greek prefix "mega-," meaning "great" or "large" — the same root found in words like megaphone and megabyte.
Related words
Rhymes for mega
See all rhymes for mega →Frequently asked questions
What does “mega” mean?
The word “mega” means extremely large in size, scale, or importance. In plain terms, a casual intensifier meaning "huge" or "extremely," on top of its literal sense of "very large.".
How do you pronounce “mega”?
“Mega” is pronounced MEH-guh (/ˈmɛɡə/ in IPA).
How do you use “mega” in a sentence?
Here is “mega” used in a sentence: “The band is planning a mega concert to celebrate their anniversary.”
What part of speech is “mega”?
Depending on how it is used, “mega” can be an adjective and an adverb.
Where does the word “mega” come from?
The word “mega” comes from Greek. From the Greek prefix "mega-," meaning "great" or "large" — the same root found in words like megaphone and megabyte.
Is “mega” a common word?
“Mega” is a fairly common word in modern English.
How many meanings does “mega” have?
“Mega” has 3 distinct senses listed in this dictionary. The most common is: extremely large in size, scale, or importance.
Is mega an informal word?
Yes. As a standalone adjective ("a mega deal") or adverb ("mega rich"), mega is informal and best kept to casual speech and writing. In formal contexts, use words like enormous, extremely large, or very instead.
What is the difference between mega and the prefix mega-?
On its own, mega is an informal adjective meaning extremely large or excellent. As a prefix, mega- builds words like megawatt and megaphone, and in scientific measurement it means one million, so a megawatt is a million watts.
Can mega be used as an adverb?
Yes. Mega works informally as an adverb meaning "extremely," as in "mega rich" or "mega famous." It always comes directly before the adjective it strengthens and stays firmly casual in tone.
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