Pugnacity
/pʌɡˈnæsəti/
Definition 1 of 1
Pro Tip 1/3Argumentative Nature
Pugnacity highlights a person's strong desire to argue, sometimes causing trouble. 
His pugnacity at the meeting caused a heated debate.
Pro Tip 2/3Not Physical Conflict
'Pugnacity' involves arguing or verbal fighting, not necessarily physical brawls. 
The pugnacity of her speech revealed her opposition.
Pro Tip 3/3Negative Connotation
Pugnacity often implies a negative judgment about someone's quarrelsome attitude. 
Her pugnacity made her unpopular with her colleagues.