IPA: /pʌɡˈneɪʃəsnəs/
KK: /pʌgˈneɪʃəsnəs/
The quality of being eager to fight or argue; a tendency to be aggressive or combative.
His pugnaciousness often led to conflicts with his colleagues.
Pugnaciousness → It is formed from "pugnare" (meaning to fight) and the suffix "-ous" (meaning full of) combined with "-ness" (meaning the state of). The word describes the state of being full of a fighting spirit or inclined to fight.
Think of 'pugnare' meaning to fight, and remember that 'pugnaciousness' refers to the state of being full of a fighting spirit.