Word.ws English Dictionary

s.o.

s.o. is the initialism of significant other.

s.o. is the abbreviation of someone.

Meaning of significant other

Noun

significant other (plural significant others)

  1. One's exclusive romantic partner.
    • Almost half of working women who are married or live with a partner are seeing their significant other only in passing because the two work different shifts, an AFL-CIO poll found.2000 March 9, “Couples Working Different Shifts, Union Poll Finds”, in Deseret News, retrieved 27 Oct 2013, page D7
  2. A person with whom one has an important bond of some kind.
    • Dr. Nogueira said it was always preferable to have coaches drawn from a school's staff because a coach "is a significant other" to a student.1983 June 21, William E. Geist, “High Schools Struggle with Coach Shortage”, in New York Times, retrieved 27 Oct 2013

Meaning of someone

Pronoun

someone

  1. One or some person of unspecified or indefinite identity.
    • Can someone help me, please?
    Synonyms:
    anybody, anyone, somebody, Some translation dictionaries have used the abbreviation s.o., so for someone

See all 3 meanings of someone

Noun capitalized: S.O.

S.O.

  1. (abbreviation, initialism) Initialism of significant other.
    • 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.2022 November 22, Katherine J Igoe, Rachel Varina, “20 Sexiest Movies of 2022 and Where You Can Stream ’Em All Yourself”, in Cosmopolitan
    • There is one fashion item, however, that has the opposite effect and could cause a relationship’s downfall — at least according to TikTok. Enter: the “shoe theory.” The theory, which populated FYPs in December, posits that if you gift your S.O. footwear, you will eventually split up.2023 March 16, Alyssa Lapid, “Everything To Know About The “Shoe Theory” Going Viral On TikTok”, in Bustle

Questions about s.o.

What is s.o. the initialism of?
S.o. is the initialism of significant other.
What part of speech is s.o.?
S.o. is a noun.

Words near s.o. in the dictionary

  1. S.I.
  2. S.J.
  3. S.J.D.
  4. s.l.a.n.
  5. S.M.A.R.T.
  6. s.o.
  7. S.O.L.
  8. S.O.P.
  9. S.O.P.s
  10. S.O.S.
  11. s.p.

Source and license

Adapted from Wiktionary: s.o. (page history and authors); S.O. (page history and authors); significant other (page history and authors); someone (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “s.o..” Word.ws, https://word.ws/s.o.. Based on Wiktionary, CC BY-SA 4.0.