abundant - Plentiful, available in large quantities
aggressive - Ready to attack and behaving in a threatening way.
abyss - A deep or seemingly bottomless hole or chasm.
abusive - Being harsh or violent to another person, verbally or physically.
adversary - An enemy or opponent
abuse - The act of treating someone or something with cruelty, violence, or harshness, often resulting in harm or injury.
adversity - A difficult situation or time in one's life
abandon - To leave someone or something behind permanently or without intending to return.
ambiguous - Something whose meaning is unclear, because it can be understood in several ways
abuse - To speak to someone in an insulting or offensive way.
abhor - To hate something
absentminded - Forgetful or inattentive, often because of being lost in thought.