Invasion

Definition

An act or instance of invading, especially a military attack or a large influx of something.

Parts of Speech

Noun

Pronunciation

American English

IPA Pronunciation: /ɪnˈveɪʒən/
Respelling: in-VAY-zhun (with "in" as in "tin," "VAY" as in "say," and "zhun" as in "vision")

British English

IPA Pronunciation: /ɪnˈveɪʒən/
Respelling: in-VAY-zhun (with "in" as in "tin," "VAY" as in "say," and "zhun" as in "vision")

In both dialects, "invasion" places the primary stress on the second syllable, "VAY." The pronunciation is the same across both American and British English, focusing on the clear articulation of "in-VAY-zhun."

Etymology

From the Latin word "invasio", derived from "invadere" where "in-" means "into" and "vadere" means "to go". Thus, translating to "a going into".

Derivatives

Invade (verb)
Invasive (adjective)
Invader (noun)
Invading (verb, present participle)
Reinvade (verb)

Synonyms

Incursion
Onslaught
Penetration

Antonyms

Retreat
Withdrawal
Defense

Usage

Invasion is commonly used to describe military actions where one country's armed forces enter another country. It can also describe non-military situations where an entity intrudes into a domain where it is not welcome.

Related Terms

Assault
Conquest
Encroachment
Occupation
Raid

Detailed Definition

Noun

Invasion (Noun): The act of entering a place, especially in large numbers, to take control or to intrude.
- Example: "The invasion of the city by enemy forces was swift and brutal."

Invasion (Noun): An unwelcome intrusion into another's domain.
- Example: "The invasion of privacy was evident when the photos were leaked online."

Invasion (Noun, Medical): The spread of pathogenic microorganisms or malignant cells into a bodily part or tissue.
- Example: "The invasion of cancer cells into the liver was a concerning development."

Note: "Invasion" can be used in both a literal sense, often related to military action, and in a figurative sense, as in the invasion of privacy or the invasion of a disease.