IMO

1. 1
   prepositional phrasecolloquialinitialism

   Initialism of in my opinion.

   IMO, they should have ended the series a season earlier.

   The pricing seems fair, IMO, given what competitors charge.

   Note

   A hedge from online chat and text messages: it marks a claim as the writer's own view, much as according to me does. It moves freely. It can open a sentence or sit mid-clause, and it is set off by commas wherever it lands. It belongs to comment threads and quick messages. In formal prose, spell out in my opinion or simply drop the hedge.

2. 2
   proper nouninitialism

   Initialism of International Maritime Organization.

   The IMO requires large vessels to carry automatic identification systems.

   Delegates at the IMO debated new targets for cutting shipping emissions.

   Note

   The shipping world's regulator: a specialized agency of the United Nations that sets rules for vessels at sea. It nearly always takes the definite article, as in the IMO. In news writing it is the body nations petition for change, as Karen McVeigh reported in 2022 when Sri Lanka asked it to classify plastic pellets as toxic. Ships, cargo and emissions in the context point here rather than to the mathematics competition.

3. 3
   proper nouninitialism

   Initialism of International Mathematical Olympiad.

   He won a gold medal at the IMO during his senior year.

   Several students from her school have qualified for the IMO over the years.

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