shan't
(UK, Irish, colloquial, ;, archaic, or, humorous, _, in, _, US, Canada, ;, dated, _, in, _, Australia, New Zealand) (negative auxiliary).
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UK
#1·Apr 27, 2026UK
(UK, Irish, colloquial, ;, archaic, or, humorous, _, in, _, US, Canada, ;, dated, _, in, _, Australia, New Zealand) (negative auxiliary).
I '''shan't''' be coming back after the way you've treated me today.
Origin: From ; , historically via shannot. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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