aggressive

Universal Words adjective 1 angry, and behaving in a threatening way; ready to attack: As a teenager Sean was aggressive and moody. * a dangerous aggressive dog 2 behaving in a very determined and forceful way in order to succeed: an aggressive advertising campaign * A good salesperson has to be aggressive in today's competitive market. aggressively adverb: 'What do you want?' he demanded aggressively. * aggressively marketed products aggressiveness noun [U]