noun, pron ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of significant other. abbreviation, alt-of, initialism
2. 2
   Initialism of significant other. abbreviation, alt-of, initialism

   "There’s nothing like cuddling up with your S.O. on date night, only to end up fighting about what to throw on the TV."

Pronoun

1. 1
   Abbreviation of someone. abbreviation, alt-of

Synonyms

All synonyms

sbsb.

Example

More examples

"There’s nothing like cuddling up with your S.O. on date night, only to end up fighting about what to throw on the TV."

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