IMO

1. 1
   prepositional phrasecolloquialinitialism

   Initialism of in my opinion. People write it in casual messages to show they are sharing what they think.

   IMO, that was the best game of the whole season.

   You should just call her and apologize, IMO.

   Note
2. 2
   proper nouninitialism

   Initialism of International Maritime Organization. It is the United Nations group that makes rules for ships at sea.

   The IMO makes safety rules for big ships.

   Countries work together at the IMO to keep the oceans clean.

   Note
3. 3
   proper nouninitialism

   Initialism of International Mathematical Olympiad. It is a yearly math contest for top high school students from around the world.

   She hopes to compete in the IMO next year.

   The hardest math problems he ever tried were at the IMO.

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