pugnacious
pug·na·cious
adjective
1.
tough and callous by virtue of experience
Origin
From the stem of Latin pugnāx + -ous, from pugnō (“to fight”), from pugnus (“fist”). By surface analysis, Latin pugn- + -acious.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.