mega

1. informalnot comparableVery large.

   Follow those in the know to the fifth floor of Sega's Joy Polis, a mega indoor amusement park that's part of the Odaiba Decks Tokyo Bay entertainment complex near Tange's Fuji Television building.

   2004, Nigel Coates, Collidoscope: new interior design, page 26

2. not comparableslangGreat; excellent.

   July 15, 2011, Liam Gallagher, quoted at the launch of the new Manchester City F.C. kit I've been a City fan since I was a kid, so to be involved with the launch of a new kit is colossal. Manchester City fans are known for having a lot of style and the new shirt looks mega.

   2 more examples

   We had a mega time until Peter fell in the fish pond and cut his leg.

   1998, John Barwick, Targeting Text, page 25

   It was totally mega. The audience clapped and cheered when Teasel had finally finished. So did I.

   2011, Anna Wilson, Pup Idol: Top of the Pups

comparative more mega · superlative most mega

1. informalExtremely.

   mega-fun

   1 more example

   mega rich

plural megas

1. informalbiologyA megararity (extremely rare bird for a certain region).

   And, speaking of relative banalities, the recurring Semipalmated Plover at the Broom Sewage Works may have inured us slightly to the status of the species as a rare vagrant, but it was an undeniable "mega" when one was discovered on Lord Howe Island on 23 March.

   2017 June 28, Australian Birdlife, Carlton, Victoria, page 76, column 2

2. mathematicsThe Steinhaus-Moser number ②

plural Megas

1. A placename
   1. countableuncountableA town in Dire, Borena, Ormia, Ethiopia.
   2. countableuncountableA village in Moriad district, Tambrauw, West Papua, Indonesia, on New Guinea.
2. countableA surname.

1. Alternative letter-case form of MEGA (“Make Europe Great Again”).

   Rather he was outlining the Mega (Make Europe Great Again) project in support of the far right across Europe.

   2025 February 18, Nathalie Tocci, “This assault on democracy has left Europe reeling – and alone”, in The Guardian, →ISSN

plural MEGAs

1. abbreviationinitialismspace flightInitialism of Moon-Earth gravity assist.
2. abbreviationinitialismspace flightInitialism of Mars-Earth gravity assist.

1. EuropeanabbreviationinitialismgovernmentInitialism of Make Europe Great Again.