name · noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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US:/ɹoʊˈhɪp.nɑl/
US:Recorded audio is listed in the source snapshot.
homophone: rohypnol
CMU ARPABET:R OW2 HH AY1 P N AO2 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
name
Meaning 1
Flunitrazepam, a hypnotic drug (sleeping pill), sometimes used as a date rape drug.
Definition source: English Wiktionary via Wiktextract
Topics: medicine, pharmacology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: flunitrazepam
Antonyms: none provided
Broader terms: benzodiazepine
2
noun
Meaning 2
Flunitrazepam, a hypnotic drug (sleeping pill), sometimes used as a date rape drug.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: roaches, roofie, rope, Rufalin
Antonyms: none provided
3
noun
Meaning 3
A tablet of flunitrazepam.
Definition source: English Wiktionary via Wiktextract
Usage: countable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
a depressant and tranquilizer (trade name Rohypnol) often used in the commission of sexual assault; legally available in Europe and Mexico and Colombia
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: flunitrazepan
Antonyms: none provided
Broader terms: club drug
Narrower terms: R-2, Mexican valium, rophy, rope, roofy, roach, forget me drug, circle
History
Etymology
From Ro(che) + hypno- + -ol, from the brand name F. Hoffmann-La Roche (known simply as Roche). First attested in the 1970s.
Genericized trademark of Rohypnol, a brand-name drug owned by F. Hoffmann-La Roche.