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invasion - 6 dictionary results

in⋅va⋅sion

  [in-vey-zhuhn]
Use invasion in a Sentence
–noun
1. an act or instance of invading or entering as an enemy, esp. by an army.
2. the entrance or advent of anything troublesome or harmful, as disease.
3. entrance as if to take possession or overrun: the annual invasion of the resort by tourists.
4. infringement by intrusion.
Origin:
1400–50; late ME < LL invāsīon- (s. of invāsiō), equiv. to invās(us), ptp. of invādere + -iōn- -ion; see invade
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·va·sion   (ĭn-vā'zhən)   
n.  
  1. The act of invading, especially the entrance of an armed force into a territory to conquer.
  2. A large-scale onset of something injurious or harmful, such as a disease.
  3. An intrusion or encroachment.

[Middle English invasioun, from Old French invasion, from Late Latin invāsiō, invāsiōn-, from invāsus, past participle of invādere, to invade; see invade.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Invasion

In*va"sion\, n. [L. invasio: cf. F. invasion. See Invade.]

1. The act of invading; the act of encroaching upon the rights or possessions of another; encroachment; trespass.

2. A warlike or hostile entrance into the possessions or domains of another; the incursion of an army for conquest or plunder.

3. The incoming or first attack of anything hurtful or pernicious; as, the invasion of a disease.

Syn: Invasion, Irruption, Inroad.

Usage: Invasion is the generic term, denoting a forcible entrance into a foreign country. Incursion signifies a hasty and sudden invasion. Irruption denotes particularly violent invasion. Inroad is entry by some unusual way involving trespass and injury.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : invasion
Spanish: plaga,
German: die Plage,
Japanese: はびこり
More Translations »

invasion 
1439, from M.Fr. invasion (12c.), from L.L. invasionem (nom. invasio) "an attack, invasion," from L. invasus, pp. of invadere "go into, fall upon, attack, invade," from in- "in" + vadere "go, walk" (see vamoose). Invade is 1491, from invadere.
Online Etymology Dictionary, © 2001 Douglas Harper
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Main Entry: in·va·sion
Pronunciation: in-'vA-zh&n
Function: noun
: the act of or an instance of invading
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Main Entry: in·va·sion
Pronunciation: in-'vA-zh&n
Function: noun
: the act of invading: as a : the penetration of the bodyof a host by a microorganism b : the spread and multiplication of a pathogenic microorganism or of malignant cells in the body of a host
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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