Difference between Hostility and Aggression

HOSTILITY vs AGGRESSION: NOUN

A hostile (very unfriendly) disposition
The feeling of a hostile person
A state of deep-seated ill-will
Violent action that is hostile and usually unprovoked
The state of being hostile; antagonism or enmity. : enmity.
A hostile act.
Acts of war; overt warfare.
The state of being hostile; inimical feeling; antagonism.
Hostile action; open opposition by war or other means; especially, in the plural, acts of warfare.
A hostile act which follows a declaration of war.
Synonyms Animosity, Ill-will, Enmity (see animosity); unfriendliness, opposition, violence, aggression.
War, fighting.
State of being hostile; public or private enemy; unfriendliness; animosity.
An act of an open enemy; a hostile deed; especially in the plural, acts of warfare; attacks of an enemy. See hostilities
Acts of overt warfare
A hostile action, especially a military action. See hostilities for specific plural definition.
The state of being hostile.

Violent action that is hostile and usually unprovoked
Deliberately unfriendly behavior
The act of initiating hostilities
A disposition to behave aggressively
A feeling of hostility that arouses thoughts of attack
Hostile or destructive behavior or attitudes.
The practice or habit of taking hostile actions or launching military attacks.
A hostile act or military attack.
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.
The practice of making assaults or attacks; offensive action in general.
Synonyms Attack, invasion, assault, encroachment, injury, offense.
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.”
The act of initiating hostilities or invasion.
The practice or habit of launching attacks.

Hate, Confrontation, Harassment, Ire, Backlash, Hostile, Xenophobia, Animus, Hatred, Animosity, Ill will, Belligerency, Aggression, Enmity, Antagonism

Attacks, Aggressive, Militarist, Attack, Assaults, Bullying, Attacking, Occupation, Violence, Militarism, Assertiveness, Provocation, Aggressor, Hostility, Aggressiveness

Rivalry, Rejection, Rage, Hate, Confrontation, Ire, Hostile, Xenophobia, Animus, Hatred, Animosity, Ill will, Belligerency, Aggression, Antagonism

Onslaught, Invasion, Invading, Aggressive, Militarist, Attack, Bullying, Attacking, Occupation, Violence, Assertiveness, Provocation, Aggressor, Hostility, Aggressiveness

So, it is not a question of hostility.
It promotes neutralism, hostility toward colonialism and imperialism.
But violence breeds violence, and hostility breeds hostility.
For most of recorded history Assail has been a name of hostility and dread, a land of unrelenting hostility and warfare.
Better communication means less hostility; less hostility means less fighting, which translates into less stress for you and especially your children.
The therapist must realize that although he senses hostility on the part of the subject, this hostility I only secondarily directed at him.
Development of hostility to suggestions and growing hostility and distrust.
Keeping hostility in perspective: Coronary heart disease and the hostility scale on the Minnesota Multiphasic Personality Inventory.
Similarly, people may expect hostility in others and induce this hostility by their own behavior.
Other researchers have found certain components of hostility, namely hostility suppression, defensive hostility, and cynical hostility, to be related to BP and hypertension.

The nomological networks of reactive aggression and proactive aggression have been documented in previous studies.
Aggression Aggression: the intention to inflict some form of harm upon others.
Communist aggression or whether it should deal with any form of aggression.
Physical aggression was best predicted by relationship distress and verbal aggression.
Emotional aggression is also known as impulsive aggression.
The dimensions were, Intimidation, External Aggression and Internal Aggression.
Early aggression is a robust correlate of adolescent aggression among males but a much less effective predictor of adolescent female aggression.
Instrumental Aggression: Also known as predatory aggression, instrumental aggression is marked by behaviors that are intended to achieve a larger goal.
Partner Aggression consisted of CTS psychological aggression, physical aggression, and sexual coercion from the current partner.
Aggression is divided into four categories: verbal aggression, physical aggression against objects, physical aggression against self, and physical aggression against others.