Added 10 October 2026 methamphetamine /ˌmɛθæmˈfɛtəˌmiːn/ noun Categories: ThingsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about methamphetamine at Wordnik → Where our words come from → A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine. Related Words: methedrinemethdeoxyephedrineamphetamineracematesmokablemetamphetaminemethamfetaminedimethylamphetaminealpha-methylphenethylaminepropylamphetamine Back to today's word