Aggression vs Hostility

When to use each in English, with meaning, register, and examples.

Aggression

Top 2,000 (common)C1noun

Hostility

Top 5,000 (fairly common)C1noun
Most common: Aggression
 AggressionHostility
Pronunciation🇬🇧 /["/əˈɡreʃn/"]/🇺🇸 /["/əˈɡreʃn/"]/🇬🇧 /["/hɒˈstɪləti/"]/🇺🇸 /["/hɑːˈstɪləti/"]/
MeaningA feeling of being angry and wanting to fight or hurt someone.Angry or unfriendly behavior
ExampleVideo games have been blamed for causing aggression.The diplomatic talks broke down due to growing hostility between the two countries.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelC1C1
Part of speechnounnoun
Collocationsnaked, open, overt, act, display, exhibit, express, aggression against, aggression by, aggression towards/​toward, naked, open, overt, act, display, exhibit, express, aggression against, aggression by, aggression towards/​towardbitter, considerable, deep, feel, sense, express, hostility between, hostility against, hostility to, bitter, considerable, deep, feel, sense, express, hostility between, hostility against, hostility to, major, active, cease, end, resume, begin, break out, commence, hostility against, hostility between, the cessation of hostilities, an outbreak of hostilities
Antonymscalmness, peacefulness, gentlenessfriendliness, kindness, amiability
Common mistakesConfused with 'assertiveness', which is more about confidence than hostility., Using 'aggression' too lightly when describing competitive situations that aren't violent., Overusing in contexts where 'frustration' or 'anger' would be more appropriate.Confused with 'hospitality', which means being welcoming and friendly., Used incorrectly as a verb; 'hostility' is a noun., Mispronounced as 'hos-ti-lity' instead of 'hos-til-i-ty'.
Usage notesUse 'aggression' in discussions about behavior, psychology, or sports. It is generally neutral but can be seen negatively in some contexts, such as describing violent actions.Use 'hostility' to describe negative feelings or actions towards someone or something. Appropriate in both formal and informal contexts, but avoid it in casual conversations.

See it in real clips

Hostility

Frequently asked questions: Aggression vs Hostility

What's the difference between Aggression and Hostility?

Aggression: A feeling of being angry and wanting to fight or hurt someone. Hostility: Angry or unfriendly behavior

Which is more common: Aggression and Hostility?

Aggression is the most common in everyday English.

Are Aggression and Hostility the same CEFR level?

Aggression: C1, Hostility: C1 on the CEFR scale.

What part of speech are Aggression and Hostility?

Aggression: noun, Hostility: noun.

Can you show an example of each?

Aggression: Video games have been blamed for causing aggression. Hostility: The diplomatic talks broke down due to growing hostility between the two countries.

Can I use Aggression and Hostility interchangeably?

Not always. Aggression and Hostility are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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