invasion

in·va·sion

noun \in-ˈvā-zhən\

Definition of INVASION

1

: an act of invading; especially : incursion of an army for conquest or plunder

2

: the incoming or spread of something usually hurtful

Examples of INVASION

1. The enemy launched an invasion.
2. The people live under a constant threat of invasion.
3. The town is gearing up for the annual tourist invasion.
4. protecting the house from insect invasion

Origin of INVASION

Middle English invasioune, from Anglo-French invasion, from Late Latin invasion-, invasio, from Latin invadere to invade

First Known Use: 15th century

Related to INVASION

Synonyms

descent, foray, incursion, inroad, raid, irruption

Related Words

pillage, plunder; aggression, assault, coup de main, offense (or offence), offensive, onset, onslaught, rush, siege, storm, strike; charge, sally, sortie; ambuscade, ambush, surprise (also surprize), trap; air raid, blitz, blitzkrieg, bombardment; counteraggression, counterassault, counterattack, counteroffensive, counterstrike

Rhymes with INVASION

Abkhazian, abrasion, Caucasian, corrasion, dissuasion, Eurasian, evasion, occasion, persuasion, pervasion,

in·va·sion

noun \in-ˈvā-zhən\   (Medical Dictionary)

Medical Definition of INVASION

: the act of invading: as a : the penetration of the body of a host by a microorganism b : the spread and multiplication of a pathogenic microorganism or of malignant cells in the body of a host