crosspost

English

Alternative forms

• cross-post
• xpost, x-post (abbreviation)

Etymology

Etymology tree

Proto-Indo-European *(s)ker-der.?

Proto-Italic *kruks / *krukis

Latin cruxbor.

Old Irish crosbor.

Old Norse krossbor.

Old English cros

Middle English cross

Middle English cros-

English cross-

English post

English crosspost

From cross- + post.

Noun

crosspost (plural crossposts)

1. (Internet) An electronic message posted to multiple newsgroups or forums simultaneously.
2. (computing, indexing) An instance of crossposting, or the post thus created.

Verb

crosspost (third-person singular simple present crossposts, present participle crossposting, simple past and past participle crossposted)

2. (Internet, ambitransitive) To post (a message) to multiple newsgroups or forums simultaneously.
   • 1983 December 20, George Sicherman, “Relationships and Later Lovers”, in net.singles‎^[1] (Usenet), retrieved 20 January 2026:

     but it sounds like a rationalization to me. I'm cross-posting this to net.women to see how women feel about it.

4. (indexing, especially physically) To post an entry (in a book index or other index) such that no matter which word a user looks under, they will find the relevant entry (see examples).

Examples
Both Ireland, […] wool industry, 137; and Wool industry, […] in Ireland, 137; (in book indexes or library card catalogues) Both needles, Simcoe, bin 12 and Simcoe, needles, bin 12 (in card indexes for equipment, before digital systems replaced them)

Derived terms

• crossposter

Translations

to post on multiple websites simultaneously

• German: crossposten (de)

  Alemannic German: crossposte, chrüzpfoschte

• Portuguese: crosspostar (pt)
• Spanish: crosspostear (es)

See also

• multipost
• simulcast
• velveeta