Meanings
MST1
- abbreviationinitialismInitialism of Mountain Standard Time.
MST2
plural MSTs
- abbreviationinitialismgraph theoryInitialism of minimum spanning tree.
MST3
present singular third person MSTs · participle present MSTing · participle past MSTed · past MSTed · alternative MiST
- datedslangtransitivelifestyleTo mock a work (typically a fanfic) by inserting satirical commentary.
Maybe that's why its^([sic]) considered bad etiquette to MST without permission.
2002 August 3, ForwardPast, “Re: Blanket Permission To MST 3”, in alt.startrek.creative (Usenet)2 more examples
But you can't quote large chunks, and MSTing a story would seem to me to be across the line into infringement.
1998 September 26, Brandon Ray, “Re: What is Fair Use?”, in alt.tv.x-files.creative (Usenet)Look it up and see if you don't agree that this story deserves to be MSTed, if not completely erased from existance^([sic])...
2003 April 5, Frank White, “Re: Fan fics?”, in alt.fan.harry-potter (Usenet)
plural MSTs · alternative MiST
- slanglifestyleA parody fanfic created in this manner.
The commentary in the MSTs may have been nasty and uncalled for; but it was not plagiarism.
1999 March 10, Teddi Litman, “Re: THE ACID DESK: Vol 1, No 9 - Plagarism^([sic]) Proof”, in alt.tv.x-files.creative (Usenet)2 more examples
The only MSTs I've seen (on alt.drwho.creative) have been of perfectly good fan fiction, deliberately cut about to make it look silly (truncating a character's words in the middle to create an^([sic]) non-existent innuendo, for example) - and those were *with* the authors' permission.
2003 April 8, Igenlode W., “Re: Fan fics?”, in alt.fan.harry-potter (Usenet)Goodbye Catherine! Come back soon! We'll all miss your unique style of MSTs! I know i will!! ;_;
2003 June 18, Craig McMartin, “Re: Hasta!”, in alt.fan.harry-potter (Usenet)
MSt4
Synonyms & antonyms
nounstandard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From the sci-fi comedy television series Mystery Science Theater 3000, commonly known as MST3K, which features an audience of fictional characters (a man stranded in space and his robot companions) riffing real B movies.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
MST. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/MST
“MST.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/MST. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “MST,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/MST.
Source: MST on Wiktionary, CC BY-SA 4.0.