Search Result for "irruption": 
Wordnet 3.0

NOUN (3)

1. a sudden violent entrance; a bursting in;
- Example: "the recent irruption of bad manners"

2. a sudden sharp increase in the relative numbers of a population;

3. a sudden violent spontaneous occurrence (usually of some undesirable condition);
- Example: "the outbreak of hostilities"
[syn: outbreak, eruption, irruption]


The Collaborative International Dictionary of English v.0.48:

Irruption \Ir*rup"tion\, n. [L. irruptio: cf. F. irruption. See Irrupted.] [1913 Webster] 1. A bursting in; a sudden, violent rushing into a place; as, irruptions of the sea. [1913 Webster] Lest evil tidings, with too rude irruption Hitting thy aged ear, should pierce too deep. --Milton. [1913 Webster] 2. A sudden and violent inroad, or entrance of invaders; as, the irruptions of the Goths into Italy. --Addison. Syn: Invasion; incursion; inroad. See Invasion. [1913 Webster]
WordNet (r) 3.0 (2006):

irruption n 1: a sudden violent entrance; a bursting in; "the recent irruption of bad manners" 2: a sudden sharp increase in the relative numbers of a population 3: a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities" [syn: outbreak, eruption, irruption]
Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "irruption": air attack, air raid, air strike, blaze, boarding, burst, convulsion, cyclone, encroachment, entrance, entrenchment, eruption, escalade, explosion, fire raid, fit, flare-up, foray, gale, gust, hurricane, impingement, imposition, incursion, infiltration, influx, infringement, injection, inroad, insinuation, interference, interjection, interloping, interposition, interposure, interruption, intervention, intrusion, invasion, obtrusion, outbreak, outburst, paroxysm, raid, razzia, saturation raid, scaling, seizure, shuttle raid, spasm, storm, tempest, tornado, trespass, trespassing, unlawful entry, upheaval, whirlwind