the action of a state in violating by force the rights of another state, particularly its territorial rights; an unprovoked offensive, attack, invasion, or the like:
the army is prepared to stop any foreign aggression.
any offensive action, attack, or procedure; an inroad or encroachment:
an aggression upon one’s rights.
the practice of making -ssaults or attacks; offensive action in general.
psychiatry. overt or suppressed hostility, either innate or resulting from continued frustration and directed outward or against oneself.
an attack or harmful action, esp an unprovoked attack by one country against another
any offensive activity, practice, etc: an aggression against personal liberty
(psychol) a hostile or destructive mental att-tude or behaviour
1610s, “unprovoked attack,” from french aggression (16c.), from latin aggressionem (nominative aggressio) “a going to, an attack,” noun of action from past participle stem of aggredi “to approach; attack,” from ad- “to” (see ad-) + gradi (past participle gressus) “to step,” from gradus “a step” (see grade). psychological sense of “hostile or destructive behavior” first recorded 1912 in a.a. brill’s translation of freud.
aggression ag·gres·sion (ə-grěsh’ən)
hostile or destructive behavior or actions.
behavior that is meant to intimidate or injure an animal of the same species or of a competing species but is not predatory. aggression may be displayed during mating rituals or to defend territory, as by the erection of fins by fish and feathers by birds.
opposition to excessive drinking of alcoholic beverages.
a technique for smoothing out jagged lines in graphical computer output. antialiasing (ān’tē-ā’lē-ə-sĭng, ān’tī-) in computer graphics, a software process for removing or reducing the jagged distortions in curves and diagonal lines so that the lines appear smooth or smoother.
not aggravating an allergy; intended or prepared for those suffering from an allergy: antiallergenic cosmetics. an antiallergenic substance.
noting or pertaining to a substance that reduces the growth of new blood vessels needed by tumors to grow and metastasize.
that combines with another .