sm

Short definition from Wiktionary

Noun

1. 1
   Initialism of slip marker.
2. 2
   Initialism of service module.
3. 3
   Initialism of short meter.
4. 4
   Initialism of space marine.
5. 5
   Initialism of stage manager.
6. 6
   Initialism of sexual minority (“non-heterosexual”) (Also used attributively.)
7. 7
   Alternative form of S&M (“sadomasochism”).
8. 8
   Abbreviation of standard missile.
9. 9
   Initialism of standoff missile.
10. 10
    Initialism of senior management.
11. 11
    Abbreviation of Magellanic spiral; an irregular galaxy with spiral characteristics

Adverb

1. 1
   Initialism of so much.

Symbol

1. 1
   service mark
2. 2
   Chemical symbol for samarium.

Proper noun

1. 1
   Initialism of Standard Model.
2. 2
   Initialism of Pokémon Sun and Moon.
3. 3
   SM Supermalls (a chain of shopping malls)

Adjective

1. 1
   Abbreviation of small.