amphetamine: meaning, definition, pronunciation and examples

C2
UK/amˈfɛtəmiːn/US/æmˈfɛtəmiːn/

Formal, Medical, Legal, Journalism

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Quick answer

What does “amphetamine” mean?

A strong synthetic stimulant drug that increases alertness and concentration.

Audio

Pronunciation

Definition

Meaning and Definition

A strong synthetic stimulant drug that increases alertness and concentration.

Specifically refers to a central nervous system stimulant used medically (e.g., for ADHD, narcolepsy) but widely abused recreationally for its euphoric and energizing effects. Often encountered as a sulphate salt.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Spelling is identical. UK English more commonly uses 'sulphate' spelling; US uses 'sulfate'.

Connotations

Equally strong negative connotations in both varieties due to association with drug abuse, addiction, and illegal trade.

Frequency

Comparable frequency in news and medical/legal discourse. Slightly more common in US media due to larger scale of prescription stimulant use/abuse discussions.

Grammar

How to Use “amphetamine” in a Sentence

[to be] on amphetamine(s)[to be] addicted to amphetamine(s)[to be] charged with possession of amphetamine[to be] treated with amphetaminethe effects of amphetamine

Vocabulary

Collocations

strong
synthetic amphetamineamphetamine sulphateamphetamine abuseamphetamine addictionprescribe amphetamineillegal amphetamine
medium
powerful amphetamineamphetamine useamphetamine productionamphetamine traffickingamphetamine psychosis
weak
certain amphetaminepure amphetamineamphetamine problemamphetamine test

Examples

Examples of “amphetamine” in a Sentence

verb

British English

  • (not standard; 'to amphetamine' is not a verb)

American English

  • (not standard; 'to amphetamine' is not a verb)

adverb

British English

  • (none)

American English

  • (none)

adjective

British English

  • (attributive use common) 'amphetamine psychosis', 'amphetamine sulphate', 'amphetamine addiction'

American English

  • (attributive use common) 'amphetamine salts', 'amphetamine sulfate', 'amphetamine epidemic'

Usage

Meaning in Context

Business

Rare. Might appear in pharmaceutical industry reports or law enforcement budgets.

Academic

Common in pharmacology, neuroscience, psychiatry, criminology, and public health research.

Everyday

Used in news reports about drug raids, addiction stories, or discussions of ADHD treatment.

Technical

Precise term in medicine (e.g., 'amphetamine-induced cardiomyopathy'), chemistry, and toxicology.

Vocabulary

Synonyms of “amphetamine”

Strong

speedmethcrystal methuppersdexies (for dextroamphetamine)

Neutral

stimulantpsychostimulantADHD medication

Weak

pep pilldiet pill (historical)

Vocabulary

Antonyms of “amphetamine”

Watch out

Common Mistakes When Using “amphetamine”

  • Misspelling: 'amphetimine', 'amphatamine'. Incorrect pluralization: treating it as only uncountable when countable use is correct (e.g., 'He took two amphetamines'). Confusing 'amphetamine' (the class) with 'methamphetamine' (a specific type).

FAQ

Frequently Asked Questions

Yes, certain amphetamines like Adderall or Dexedrine are legal prescription medications for conditions like ADHD and narcolepsy, but are strictly controlled substances.

Methamphetamine is a more potent, more addictive, and longer-lasting derivative of amphetamine. It has a higher potential for abuse and neurotoxicity.

Yes, even when taken as prescribed, tolerance and dependence can develop. Misuse significantly increases the risk of addiction.

It reflects the British English spelling of 'sulphate', whereas American English uses 'amphetamine sulfate'. It's the same chemical compound.

A strong synthetic stimulant drug that increases alertness and concentration.

Amphetamine is usually formal, medical, legal, journalism in register.

Amphetamine: in British English it is pronounced /amˈfɛtəmiːn/, and in American English it is pronounced /æmˈfɛtəmiːn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [not an idiom, but common slang phrase] 'on speed' (meaning under the influence of amphetamines)

Learning

Memory Aids

Mnemonic

AMP up your energy - AMPHETAMINE. Think: 'AMPlify' alertness.

Conceptual Metaphor

Amphetamine is fuel/fire (e.g., 'fueling addiction', 'a fire in the brain'). Amphetamine is a tool/weapon (e.g., 'a tool for all-night studying', 'a weapon against narcolepsy').

Practice

Quiz

Fill in the gap
Long-term abuse of can lead to severe psychological dependence and cardiovascular damage.
Multiple Choice

In which context is the word 'amphetamine' LEAST likely to be used accurately?