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Words That Start With Mega

27 words Words by letter Checked 9 Oct 2026

Here are 27 words that start with mega, from everyday words to rare ones that are still valid in word games. Common words come first with a short meaning, then the words are grouped by length, which helps with Wordle and crossword clues.

As a prefix, mega means "very large", as in megaphone.

Words starting with mega
27
Most used
megaphone
Shortest
megaton
5 letter words
0

Common words that start with mega

#WordMeaningLetters
1megaphonea cone-shaped acoustic device held to the mouth to intensify and direct the human voice9
2megawattsa unit of power equal to one million watts9
3megawatta unit of power equal to one million watts8
4megabytesa unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes9
5megatona measure of explosive power (of an atomic weapon) equal to that of one million tons of TNT7
6megalomaniaca pathological egotist12
7megalithicof or relating to megaliths or the people who erected megaliths10
8megabytea unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes8
9megahertzone million periods per second9
10megalomaniaa psychological state characterized by delusions of grandeur11
11megalopolisa very large urban complex (usually involving several cities and towns)11
12megabitsa unit of information equal to 1000 kilobits or 10^6 (1,000,000) bits8
13megatonsa measure of explosive power (of an atomic weapon) equal to that of one million tons of TNT8
14megaphonesa cone-shaped acoustic device held to the mouth to intensify and direct the human voice10
15megalomaniacalsuffering from megalomania14
16megabita unit of information equal to 1000 kilobits or 10^6 (1,000,000) bits7
17megalithsmemorial consisting of a very large stone forming part of a prehistoric structure (especially in western...9
18megalithmemorial consisting of a very large stone forming part of a prehistoric structure (especially in western...8
19megabucksa large sum of money (especially as pay or profit)9
20megalomaniacsa pathological egotist13

7 letter words that start with mega

  • megaton
  • megabit

8 letter words that start with mega

  • megawatt
  • megastar
  • megabyte
  • megabits
  • megatons
  • megacity
  • megalith

9 letter words that start with mega

  • megaphone
  • megawatts
  • megabytes
  • megahertz
  • megafauna
  • megaliths
  • megabucks
  • megastars

10 letter words that start with mega

  • megalithic
  • megaphones
  • megacities

11 letter words that start with mega

  • megalomania
  • megalopolis
  • megaproject

12 letter words that start with mega

  • megalomaniac
  • megaprojects

Filter all 27 words that start with mega

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    Questions people ask

    How many words start with mega?

    This list has 27 words starting with mega, all from a standard word-game dictionary and all seen in real English text.

    What are common words that start with mega?

    megaphone, megawatts, megawatt, megabytes, megastar, megaton, megalomaniac, megalithic.

    What does the prefix mega mean?

    As a prefix, mega means "very large", as in megaphone.

    Source: the ENABLE word list (a public-domain dictionary used for word games), ranked by how often each word appears in English text (the open wordfreq project), with short meanings from Princeton WordNet. Offensive words are left out.

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