methamphetamine

/ˌmɛθæmˈfɛtəˌmiːn/

//ˌmɛθæmˈfɛtəˌmiːn// noun

By · According to Wiktionary data (CC BY-SA) ·

"methamphetamine" is a 15-letter English headword indexed on PlainSpell.

The verdict

“methamphetamine” has 23 generated spelling variants in the English index at frequency #30,133. The variants make it a useful spelling check.

#30,133
frequency rank, English
4,057
“M” headwords
23
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.

Corpus desk

Index EN-methamphetamine · methamphetamine · English

methamphetamine · rank #30,133 · 23 variants · 0 confusables

  • FREQ-MID #30,133
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 23 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH Mehta

Nearest frequency peer: Mehta (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “methamphetamine”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “methamphetamine” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for methamphetamine
PropertyValue
Headwordmethamphetamine
LanguageEnglish
Part of speechNoun
IPA/ˌmɛθæmˈfɛtəˌmiːn/
Letters15
Frequency rank#30,133
Misspellings tracked23
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “methamphetamine”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).methamphetaminelands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Mehta” (#30,132), “mex” (#30,134), “McCulloch” (#30,131). Among 4,057 “M” headwords, “methamphetamine” is #30,133. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 23 spelling variants around methamphetamine (IPA /ˌmɛθæmˈfɛtəˌmiːn/), anoun. Corpus frequency is #30,133 among 4,057 “M” headwords. Dominant gloss: "A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.".

Our generated misspelling index lists 23 likely wrong-spelling variants for methamphetamine, with forms such as "emthamphetamine", "mehtamphetamine", and "metahmphetamine". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From meth- + amphetamine; 1945–1950. The correct English form is methamphetamine, spelled M-E-T-H-A-M-P-H-E-T-A-M-I-N-E.

Definition

  1. 1
    A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.

Recorded use

Wiktionary examples

These source excerpts show how methamphetamine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Near-synonyms: crystal meth, ice (formulation-specific nicknames); speed (also includes other similar drugs)
  2. Methamphetamine is more potent than dexamphetamine which is in turn more potent than its racemate amphetamine.

Etymology

From meth- + amphetamine; 1945–1950.

Synonyms

chalkcrankcrystalcrystal methfireglassgo fastgo-fastgogoicejibmethmethamphetaminemethedrinemethylamphetaminepoor man's cocainequartzshabushardsspeedTtinatweak

This word in other languages

metanfetamina(Español)méthamphétamine(Français)

Common misspellings

Also misspelled as:

  • emthamphetamine
  • mehtamphetamine
  • metahmphetamine
  • methamhpetamine
  • methammphetamine
  • methampehtamine
  • methampheatmine
  • methamphetaimne
  • methamphetamien
  • methamphetaminne
  • methamphetammine
  • methamphetamnie
  • methamphetmaine
  • methamphettamine
  • methamphhetamine
  • methamphteamine
  • methampphetamine
  • methapmhetamine
  • methhamphetamine
  • methmaphetamine
  • metthamphetamine
  • mmethamphetamine
  • mtehamphetamine

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of methamphetamine - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

emthamphetamine2mehtamphetamine2metahmphetamine2methamhpetamine2methammphetamine1methampehtamine2methampheatmine2methamphetaimne2
Edit distance from "methamphetamine"

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

How do you spell "methamphetamine"?
"methamphetamine" is spelled M-E-T-H-A-M-P-H-E-T-A-M-I-N-E. The IPA pronunciation is /ˌmɛθæmˈfɛtəˌmiːn/.
What does "methamphetamine" mean?
As a noun, "methamphetamine" means: A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.
What are common misspellings of "methamphetamine"?
Common misspellings include "emthamphetamine", "mehtamphetamine", "metahmphetamine", "methamhpetamine", "methammphetamine". The correct spelling is "methamphetamine".
How do you pronounce "methamphetamine"?
The IPA (International Phonetic Alphabet) transcription for "methamphetamine" is /ˌmɛθæmˈfɛtəˌmiːn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "methamphetamine"?
From meth- + amphetamine; 1945–1950. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "methamphetamine", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 15 letters (nearest by frequency rank).

comprehensively#30,374procrastination#30,547troubleshooting#30,627phosphorylation#29,417

Similar misspelling depth

Headwords with a similar count of attested misspellings (23 here; floor ≥5).

chromatography23 variantstranscendental23 variantselectrification23 variantsauthoritarianism23 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list