invasion

(noun)

noun

1. the act of invading; the act of an army that invades for conquest or plunder

Definition categories: act, incursion, penetration

2. any entry into an area not previously occupied

- an invasion of tourists

- an invasion of locusts

Similar word(s): encroachment, intrusion

Definition categories: event, entering, entrance

3. (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body

- the tumor's invasion of surrounding structures

Definition categories: event, spread, spreading

Sentences with invasion as a noun:

- an invasion of mobile phones

- an invasion of bees

- an invasion of foreign tourists