Pronunciation

/ɪnˈveɪʒən/

Definitions

• Noun: (n) A military assault or entrance by force into a country or region to conquer or subdue it; the act or instance of invading. For example: “The enemy launched a swift invasion, catching the defenders off guard.”
• Noun: (figurative) The arrival or spread of something unwanted or harmful that disrupts or takes over an area or environment. For example: “An invasion of privacy”; “The forest suffered from an invasion of non-native species.”

Phrases

• “Invasion of” is often used to denote the intrusion or encroachment upon something. For example: “An invasion of personal space.”
• “Military invasion” specifically refers to armed forces entering another country with hostile intent.
• “Invasion fleet” refers to a group of warships sent to invade a territory.

Example Sentences

• Noun (military): “World War II began with the Nazi invasion of Poland.”
• Noun (figurative): “The sudden invasion of noise from the street disturbed the peaceful neighborhood.”

Synonyms

• Attack
• Raid
• Assault
• Incursion
• Intrusion
• Invasion force
• Occupation
• Takeover
• Infestation (when referring to pests or invasive species)
• Infiltration (in a more covert context)