WordReference Random House Unabridged Dictionary of American English © 2026
SM, 
  1. service mark.

Sm, [Symbol, Chem.]
  1. Chemistrysamarium.

sm., 
  1. small.

S-M, 
    1. Also, S and M. sadomasochism.
    2. sadomasochistic.
    Also, s-m, S/M, s/m 
S.M., 
    1. Master of Science.
      • Neo-Latin Scientiae Magister
    2. Militarysergeant major.
    3. State Militia.

Collins Concise English Dictionary © HarperCollins Publishers::
SM
  1. sergeant major
  2. sadomasochism
Collins Concise English Dictionary © HarperCollins Publishers::
Sm
  1. samarium
'SM' also found in these entries (note: many are not synonyms or translations):
berseem - sadomasochism - samarium - service mark - sm. c. - smash - smaze - smog

Forum discussions with the word(s) "SM" in the title:


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