aggression
noun
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.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A somber admission that U.S. actions in Iran might be followed by serious counteraggression was needed, and is part of the president’s responsibility.
From The Wall Street Journal ● Apr. 2, 2026