The aim of the article is to analyse the concept of gentlemanliness with regard to heroic masculinity in W.M. Thackeray’s novel Vanity Fair. Set at the time of the Napoleonic Wars and written in the 1840s, the novel casts light on the controversial nature of the notion of gentleman. In the Victorian period, gentlemanliness came to be modelled on the principles of chivalry but there was nevertheless an implicit assumption originating from the Regency era that being a gentleman meant yielding to leisurely elegance rather than performing heroic deeds. Thackeray, whose formative years had passed in the Regency-tinted 1820s and early 1830s but who as a novelist gained maturity in the mid-nineteenth century, was acutely aware of the contradiction...