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 assaults or attacks; offensive action in general.
Psychiatry. overt or suppressed hostility, either innate or resulting from continued frustration and directed outward or against oneself.
Origin of aggression
1605–15; <Latin aggressiōn- (stem of aggressiō), equivalent to aggress(us) (see aggress) + -iōn--ion
They might also show problem behaviors, such as physical aggression and cheating.
Puberty may reboot the brain and behaviors|Esther Landhuis|August 27, 2020|Science News For Students
Sometimes channeling your aggression for real injustices in the world, and integrating that into your higher-level goal, is important.
Are You Yoda or Darth Vader? - Issue 89: The Dark Side|Brian Gallagher|August 26, 2020|Nautilus
They’re supposed to desire power and conflict, value only their self-interest, and be motivated by aggression.
Are You Yoda or Darth Vader? - Issue 89: The Dark Side|Brian Gallagher|August 26, 2020|Nautilus
In their second matchup against the Mavericks, for example, the Raptors dialed things back considerably from the level of aggression they showed in that early-season contest.
The Raptors’ Defense Is Almost Never The Same, But It’s Always Really Good|Jared Dubin|August 17, 2020|FiveThirtyEight
Lots of things influence body image, or prosocial behavior, or aggression, or pick whatever you want, gender.
Does Hollywood Still Have a Princess Problem? (Ep. 394)|Stephen J. Dubner|October 24, 2019|Freakonomics
His hands outstretched, shoulders in submission, there was no shouting, no expletives, no aggression at all.
What Would Happen if I Got in White Cop’s Face?|Goldie Taylor|December 30, 2014|DAILY BEAST
We ought to seek Chinese cooperation in a response to this North Korean act of aggression.
Obama Could Hit China to Punish North Korea|Shane Harris, Tim Mak|December 20, 2014|DAILY BEAST
So this is how the world is changing: China is financing Russian aggression.
China Is Financing Putin’s Aggression|Gordon G. Chang|November 13, 2014|DAILY BEAST
If this is to be achieved, man must evolve for all human conflict a method which rejects revenge, aggression and retaliation.
Martin Luther King’s Nobel Speech Is an Often Ignored Masterpiece|Malcolm Jones|October 16, 2014|DAILY BEAST
KIEV, Ukraine — The symbol of the Ukrainian revolution, the Maidan Square, is seething with bitterness and aggression these days.
Kiev Set to Clean the Last “Occupy” Protestors Out of Maidan Square|Anna Nemtsova|August 8, 2014|DAILY BEAST
It was no longer a war of defense but now a war of aggression and conquest.
The Quaker Colonies|Sydney G. Fisher
At the same time it seems to restrain English aggression and decree peace between the races.
Irish History and the Irish Question|Goldwin Smith
And we know what are the paths by which Athenian aggression travels, and how insidious is its progress.
The History of the Peloponnesian War|Thucydides
There have been no waves of aggression, and intertribal feuds are not very serious affairs.
Man, Past and Present|Agustus Henry Keane
We shall neither act as aggressors nor tolerate acts of aggression.
Complete State of the Union Addresses from 1790 to 2006|Various
British Dictionary definitions for aggression
aggression
/ (əˈɡrɛʃən) /
noun
an attack or harmful action, esp an unprovoked attack by one country against another
any offensive activity, practice, etcan aggression against personal liberty
psychola hostile or destructive mental attitude or behaviour
Derived forms of aggression
aggressor (əˈɡrɛsə), noun
Word Origin for aggression
C17: from Latin aggression-, from aggrēdi to attack
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.