MST
/ˌɛm ˌɛs ˈtiː/
"mst" is a 3-letter English headword indexed on PlainSpell.
The verdict
“MST” is a moderately-common English word, ranked #38,510 in English word frequency and used as a verb.
- #38,510
- frequency rank, English
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To mock a work (typically a fanfic) by inserting satirical commentary.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | MST |
| Language | English |
| Part of speech | Verb |
| IPA | /ˌɛm ˌɛs ˈtiː/ |
| Letters | 3 |
| Frequency rank | #38,510 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “MST” sits in English frequency
Spelling & Dictionary Insight
The English entry for MST is 3 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /ˌɛm ˌɛs ˈtiː/. Corpus data places it at rank #38,510 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "To mock a work (typically a fanfic) by inserting satirical commentary.".
Zero misspellings are on record for MST in our index, a sign its spelling follows regular English conventions. It also participates in 20 confusable-pair relationships, "my", "MT", "mu", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: 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. The correct English form is MST, spelled M-S-T.
Definition
- 1To mock a work (typically a fanfic) by inserting satirical commentary.
Etymology
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.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “MST”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is M-S-T - every other letter order is a misspelling in standard orthography.
- Say it as /ˌɛm ˌɛs ˈtiː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “my” - see the side-by-side comparison. MST vs my
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.