Invasion

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Invasion \In*va"sion\, n. [L. invasio: cf. F. invasion. See
     {Invade}.]
     [1913 Webster]
     1. The act of invading; the act of encroaching upon the
        rights or possessions of another; encroachment; trespass.
        [1913 Webster]


  
     2. A warlike or hostile entrance into the possessions or
        domains of another; the incursion of an army for conquest
        or plunder.
        [1913 Webster]
  
     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.
            [1913 Webster]

From WordNet (r) 2.0 [wn]:

  invasion
       n 1: the act of invading; the act of an army that invades for
            conquest or plunder
       2: any entry into an area not previously occupied; "an invasion
          of tourists"; "an invasion of locusts" [syn: {encroachment},
           {intrusion}]
       3: (pathology) the spread of pathogenic microorganisms or
          malignant cells to new sites in the body; "the tumor's
          invasion of surrounding structures"

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  67 Moby Thesaurus words for "invasion":
     adoption, aggression, air attack, air raid, air strike,
     appropriation, arrogation, assault, assumption, attack, blitzkrieg,
     boarding, breach, drive, encroachment, entrance, entrenchment,
     escalade, fire raid, foray, impingement, imposition, incursion,
     infestation, infiltration, influx, infraction, infringement,
     injection, inroad, insinuation, interference, interjection,
     interloping, interposition, interposure, interruption,
     intervention, intrusion, irruption, lousiness, obtrusion, offense,
     offensive, onslaught, overrunning, overspreading, overswarming,
     plague, playing God, raid, ravage, razzia, saturation raid,
     scaling, seizure, shuttle raid, storming, swarm, swarming, teeming,
     transgression, trespass, trespassing, unlawful entry, usurpation,
     violation
  
  

From Bouvier's Law Dictionary, Revised 6th Ed (1856) [bouvier]:

  INVASION. The entry of a country by a public enemy, making war. 
       2. The Constitution of the United States, art. 1, s. 8, gives power to 
  congress "to provide for calling the militia to execute the laws of the 
  Union, suppress insurrections, and repel invasions." Vide Insurrection.