Meanings
comparative more bonkers · superlative most bonkers
- UKespeciallyinformalMad; crazy.
"They are turning people off travelling. And the removal of catering on such a long-distance route is just bonkers."
2021 December 29, Paul Clifton, “"Crisis" on the West of England line”, in RAIL, number 947, page 352 more examples
[A]nd we should remind ourselves that it is absolutely bonkers that we elect judges at all; that system is used almost nowhere else on earth[.]
2021, Paul Waldman, Opinion: The Supreme Court won’t stand up for voting rights. But some state courts will, in: The Washington Post, July 6 2021 (emphasis in original)Notable examples include The Titfield Thunderbolt (1953), […], and The Great St Trinian's Train Robbery, a slightly bonkers 1965 comedy using the Longmoor Military Railway and obviously sped-up footage.
2025 December 24, Tim Dunn, “Railways and film: the perfect match”, in RAIL, number 1051, page 54
- pluralplural of bonker
Synonyms & antonyms
adjectiveinformal or slang terms for mentally irregular
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Unknown. Perhaps from bonk (a blow or punch on the head, compare whacky); perhaps related to earlier bonce.
Full word history & related roots →Translations
Catalan foll, boig
- follmad, crazy
- boigmad, crazy
- oratmad, crazy
- enfollitmad, crazy
- embogitmad, crazy
- forassenyatmad, crazy
Czech praštěný, střelený
- praštěnýmad, crazy
- střelenýmad, crazy
Dutch gek, zot
- gekmad, crazy
- zotmad, crazy
Finnish hullu
- hullumad, crazy
French fou, délirant
- foumad, crazy
- délirantmad, crazy
- irrationnelmad, crazy
- zinzinmad, crazy
- chtarbémad, crazy
German bekloppt, bescheuert
- beklopptmad, crazy
- bescheuertmad, crazy
- durchgeknalltmad, crazy
- plemplemmad, crazy
- mallemad, crazy
Indonesian gila
- gilamad, crazy
Italian rincoglionito, barbogio
- rincoglionitomad, crazy
- barbogiomad, crazy
Portuguese maluco, doido
- malucomad, crazy
- doidomad, crazy
- piradomad, crazy
Russian чо́кнутый, поме́шанный
- чо́кнутый (čóknutyj)mad, crazy
- поме́шанный (poméšannyj)mad, crazy
- спя́тивший (spjátivšij)mad, crazy
Spanish majara, chiflado
- majaramad, crazy
- chifladomad, crazy
- majaretamad, crazy
- locomad, crazy
Swedish knäpp
- knäppmad, crazy
Rhymes & wordplay
Anagrams
Cite this entry
bonkers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bonkers
“bonkers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bonkers. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “bonkers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bonkers.
Source: bonkers on Wiktionary, CC BY-SA 4.0.