invasion

Everyday

1. When an army enters another country by force to attack or take it. tree →
2. When a large number of people, animals or things arrive and spread somewhere, often causing trouble (an invasion of ants). tree →
3. Getting into something that should be private (an invasion of privacy). tree →
4. An invasion can also be an unfair act that takes away someone's rights. tree →

In the lessons

In history lessons: the Roman invasion of Britain, Viking invasions. In science, an invasion of a plant or animal species can harm local wildlife. In everyday life: an invasion of wasps at a picnic. Phrases: invasion of privacy, launch an invasion, alien invasion, invasive species.

Examples

• The Roman invasion of Britain changed life on the island. tree →
• Our picnic suffered an invasion of ants. tree →
• Reading my diary is an invasion of privacy! tree →
• Rabbits were an invasion that harmed Australia's plants. tree →
• The film is about an alien invasion. tree →
• The soldiers prepared for an invasion from the sea. tree →
• An invasion of tourists fills the town every summer. tree →
• Jupiter granted beards to the She-Goats at their own request, much to the disgust of the he-Goats, who considered this to be an unwarrantable invasion of their rights and dignities. tree →

Note

Countable noun. Verb: invade (invaded, invading); invader (the one who invades); adjective: invasive (an invasive species spreads and harms). Spelling: -sion, not -tion.