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tranquilliser

noun

tranquilliser is a noun meaning “Non-Oxford British English standard spelling of tranquilizer” (English Wiktionary, September 2026). It is spelled T-R-A-N-Q-U-I-L-L-I-S-E-R, and it appears about once in every 20 million words in written English (wordfreq, 2021 data). The plural of tranquilliser is tranquillisers.

What does tranquilliser mean?

noun

  1. 1

    UKNon-Oxford British English standard spelling of tranquilizer.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of tranquilliser

  • tranquillisers plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is tranquilliser?

Tranquilliser appears about once in every 20 million words in written English, the 136,649th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).