invade
invade — verb
1. to use military action to enter and gain power over another country or region
to use military action to enter and gain power over another country or region
In 1939, German forces invaded Poland, starting the war in Europe.
invade + country name; historical context
The army invaded the neighbouring kingdom and seized the capital within days.
invade + object (region); followed by consequence clause
No one expected the fleet to invade at dawn, catching the coastal defences off guard.
The general warned that any attempt to invade the territory would be met with fierce resistance.
- withdraw from
implies pulling back forces after having entered
- retreat from
implies being forced to leave due to defeat
文法句型
invade + noun phrase (country/territory)
invade without object when location is clear from context
用法筆記
Subject is usually a nation, army, or military force. Frequently used in historical and political contexts. Can be used without a direct object when the target location is understood from context.
常見錯誤
2. to go into a place in great numbers, often causing harm or disruption and usuall
to go into a place in great numbers, often causing harm or disruption and usually without being welcome
Every August, tourists invade the small coastal town, filling every hotel and restaurant.
invade + place; seasonal pattern
Ants invaded the kitchen through a crack near the window and covered the counter.
invade + location; concrete animal subject
When the singer stepped out of the car, fans invaded the street hoping for a selfie.
The weeds had invaded the flower beds so badly that the roses could barely be seen.
- clear out of
implies leaving a place, opposite of entering in numbers
文法句型
invade + noun phrase (place/space)
invade without object when subject type makes meaning clear
用法筆記
Subject is typically a large group — people, animals, insects, or plants. Almost always carries a negative connotation of being unwanted or harmful. Can be used figuratively (e.g. 'fans invaded the pitch').
常見錯誤
3. to enter a market, industry, or area of activity with great force and a strong i
to enter a market, industry, or area of activity with great force and a strong impact, often disrupting existing players
A Chinese tech company has invaded the European smartphone market with low-cost devices.
invade + market; business context
The streaming service invaded the television industry and changed how people watch shows.
invade + industry; followed by result
Big supermarket chains are now invading the organic food sector, forcing smaller shops to close.
The brand invaded the luxury fashion world and quickly became a name known to everyone.
- withdraw from
implies leaving a market or field of activity
- exit
neutral term for leaving a market
文法句型
invade + noun phrase (market/industry/field)
用法筆記
Common in business journalism and marketing contexts. Object is typically a market, sector, industry, or field. Carries a sense of aggressive or disruptive entry, not just participation.
常見錯誤
4. to disturb or spoil a situation, experience, or quality for someone by entering
to disturb or spoil a situation, experience, or quality for someone by entering it without consideration for their feelings
His rude comments invaded the warm atmosphere of the dinner party and made everyone uncomfortable.
invade + abstract atmosphere; cause-effect structure
The constant noise from the construction site invaded our peaceful afternoon at home.
invade + quality/state; passive-like structure
Aiko felt that her manager's endless questions were invading her personal space at work.
Dark thoughts invaded his mind and kept him awake through the whole night.
- intrude on
slightly less strong; focuses on entering without invitation
- encroach on
formal, suggests gradual intrusion
- trespass on
suggests crossing a personal boundary, often with moral overtones
文法句型
invade + noun phrase (abstract concept: privacy, peace, space, confidence)
用法筆記
Object must be an abstract noun (privacy, peace, space, atmosphere, confidence, mind) or a gerund phrase describing an experience. Unlike other senses, subject is often a non-physical force (noise, thoughts, comments).