Animal Aggression

adjective showing a lack of kindness or compassion; mean-spirited

• The ill-natured remarks made by the politician sparked controversy among the public.
• I try to avoid hanging out with ill-natured people because they bring negative energy.
• I can't stand being around that ill-natured dude, he's always so negative.
• Her ill-natured attitude was like a dark cloud hanging over the family gathering.

adjective having a combative or aggressive nature; eager or quick to argue, quarrel, or fight

• The pugnacious debate between the two scholars lasted for hours.
• Don't mess with him, he's got a pugnacious attitude.
• That guy is always looking for a fight, he's so pugnacious.
• Her writing style is often described as pugnacious, always challenging the status quo.

noun a hard, bonelike structure in the mouth used for biting and chewing food

conjunction used to show that someone is making a great effort to fight or compete

• The competitors fought tooth and nail to win the contract.
• They were fighting tooth and nail over the last piece of cake.
• The two teams were going at it tooth and nail during the game.
• She defended her thesis tooth and nail against any criticism.