This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The act of initiating hostilities or invasion.

n. The practice or habit of launching attacks.

n. Hostile or destructive behavior or actions.

n. The act of initiating hostilities or invasion.

n. The practice or habit of launching attacks.

n. Hostile or destructive behavior or actions.

n. The first attack, or act of hostility; the first act of injury, or first act leading to a war or a controversy; unprovoked attack; assault. “Aggressions of power.”

n. The act of proceeding to hostilities or invasion; a breach of the peace or right of another or others; an assault, inroad, or encroachment; hence, any offensive action or procedure: as, an aggression upon a country, or upon vested rights or liberties.

n. The practice of making assaults or attacks; offensive action in general.

n. Synonyms Attack, invasion, assault, encroachment, injury, offense.

n. the act of initiating hostilities

n. deliberately unfriendly behavior

n. a disposition to behave aggressively

n. a feeling of hostility that arouses thoughts of attack

n. violent action that is hostile and usually unprovoked

"Russians have rallied to the government's decision to punish Georgia for what it calls aggression and recognize the independence of South Ossetia and another separatist-controlled region, Abkhazia."

armed combat    combat    unfriendliness    ill will    hostility    enmity   

aggressor    aggressiveness    aggress    aggressive   

war of aggression   

provocation    attack    offense    intrusion   

Hessian    accession    compression    concession    confession    decompression    depression    digression    discretion    expression   

oppression    hostility    violence    brutality    invasion    domination    outrage    greed    arrogance    jealousy