aggressive

The definition of aggressive is someone or something that starts fights or quarrels.

(adjective)

An example of an aggressive dog is one that tries to bite or hurt others.

The definition of aggressive is someone who is prone to being competitive and makes strong attempts to win.

(adjective)

An example of a person that is aggressive is a football player.

Aggressive is defined as bold and assertive.

(adjective)

An example of aggressive is a tumor which spreads quickly.

See aggressive in Webster's New World College Dictionary

adjective

Related Forms:

See aggressive in American Heritage Dictionary 4

adjective

Characterized by aggression: aggressive behavior.
Inclined to behave in an actively hostile fashion: an aggressive regime.
Assertive, bold, and energetic: an aggressive sales campaign.
Of or relating to an investment or approach to investing that seeks above-average returns by taking above-average risks.
Fast growing; tending to spread quickly and invade: an aggressive tumor.
Characterized by or inclined toward vigorous or intensive medical treatment: an aggressive approach to treating the infection.
Intense or harsh, as in color.

Related Forms: