invasion
in-va-sion · noun
Definitions
noun
- 1.
An armed attack on a country by military forces of another.
- 2.
An unwelcome intrusion into someone's space, privacy, or domain.
- 3.
(medicine) The spread of harmful organisms or cells into the body.
Forms
plural: invasions
Related words
Etymology
From Late Latin invasio ("an attack"), from Latin invadere ("to go into, attack"). Related to "invade."