Meanings
nountranquilliser (plural tranquillisers)
plural tranquillisers
- UKnonstandardNon-Oxford British English standard spelling of tranquilizer.
Synonyms & antonyms
nouna drug used to reduce stress or tension without reducing mental clarity
Similar
Broader
psychotropic agentsedative-hypnoticsedative-hypnotic drug
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
tranquilliser. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/tranquilliser
MLA
“tranquilliser.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tranquilliser. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “tranquilliser,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/tranquilliser.
Source: tranquilliser on Wiktionary, CC BY-SA 4.0.