Word.ws English Dictionary

xo

xo is the alternative form of xoxo.

Adjective capitalized: XO

XO (not comparable)

  1. (abbreviation, initialism) Initialism of extra old; a grade of premium cognac that has been aged in barrels for more than 6.5 years.

Noun (1) capitalized: XO

XO (plural XOs)

  1. (abbreviation, initialism) Initialism of executive officer.
    • XO, you have the Con.
    • Look, people like you. You get things done, and you're gonna make a good XO.2015 November 23, Mark Fergus, Hawk Ostby, “Dulcinea”, in The Expanse, season 1, episode 1, spoken by Captain McDowell

Noun (2) capitalized: XO

XO (plural XOs)

  1. Alternative letter-case form of xo (“hugs and kisses”).
    • Looking out on the substitute scene / Still going strong / XO, Mom1998, Elliott Smith, “Waltz #2 (XO)”, in XO
    Synonyms:
    xoxo
  2. (alternative) Alternative form of X-O.

Synonyms of xo

Forms of xo

Noun
alternative formXO
pluralXOs
Adjective
alternative formX.O.
alternative formX.O
alternative formX. O.

Words formed from xo

Questions about xo

What is xo the alternative form of?
Xo is the alternative form of xoxo.
What part of speech is xo?
Xo can be an adjective or a noun.

Words near xo in the dictionary

  1. XNOR
  2. XNOR gate
  3. XNOR gates
  4. Xnty
  5. Xnty.
  6. xo
  7. XO sauce
  8. xoana
  9. xoanon
  10. Xochapa
  11. Xochicalcan

Source and license

Adapted from Wiktionary: xo (page history and authors); XO (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: “xo.” Word.ws, https://word.ws/xo. Based on Wiktionary, CC BY-SA 4.0.