pugnacious - Things Learned while reading "The Hound of the Baskervilles" - Sherlock Holmes

 The latter was a small, alert, dark-eyed man about thirty years of age, very sturdily built, with thick black eyebrows and a strong, pugnacious face. 

   

pugnacious - Google Search: "pug·na·cious/pəgˈnāSHəs/Adjective
1. Eager or quick to argue, quarrel, or fight.
2. Having the appearance of a willing fighter. More »
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