name, noun, phrase ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of methylsulfonylmethane. abbreviation, alt-of, countable, initialism, uncountable
2. 2
   Initialism of mainstream media. abbreviation, alt-of, countable, derogatory, initialism, often, uncountable

   "Who can doubt there ought to be a law when the MSM shills for environmentalist scaremongers?"

3. 3
   Initialism of men who have sex with men. abbreviation, alt-of, countable, initialism, uncountable
4. 4
   Initialism of mechanically separated meat. abbreviation, alt-of, initialism, uncountable
5. 5
   Initialism of Mechanist Sergeant-Major (British Army). abbreviation, alt-of, countable, dated, initialism, rare, uncountable

Phrase

1. 1
   Initialism of mirror, signal, maneuver. abbreviation, alt-of, initialism
2. 2
   Initialism of male seeking male, man seeking man, or masc seeking masc. abbreviation, alt-of, initialism

   "Near-synonym: M4M"

Proper Noun

1. 1
   Initialism of Meritorious Service Medal. US, abbreviation, alt-of, initialism
2. 2
   Initialism of Modern Standard Mandarin. abbreviation, alt-of, initialism

Synonyms

All synonyms

m4mmethylsulfonylmethane

Example

More examples

"Who can doubt there ought to be a law when the MSM shills for environmentalist scaremongers?"

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.