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invasion

nouncommon in dialogue

  • //ɪnˈveɪʒən//

A military action consisting of a large armed force of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government.

noun

  1. 1

    A military action consisting of a large armed force of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government.

    The invasion and armed suppression, on one occasion after another, of nations seeking to be free was quite consistent with Lenin's views.

    Since Michel's days, however, many barbarian invasions had subdivided the Three Gauls into a melange of warsome states and tribes, all, nevertheless, acquiring a vaguely similar grace, if not a petite grandeur.

    Yeh actually works in marketing, and his weapon is a replica -- but he is spending the weekend attending an urban warfare workshop to prepare for what he sees as the very real threat of a Chinese invasion.

    North Korea had not publicly confirmed its contribution until Monday, when it said: “The operations for liberating the Kursk area to repel the adventurous invasion of the Russian Federation by the Ukrainian authorities were victoriously concluded,” according to state-run news agency KCNA.

  2. 2

    The entry without consent of an individual or group into an area where they are not wanted.

    an invasion of mobile phones

    an invasion of bees

    an invasion of foreign tourists

  3. 3

    The spread of cancer cells, bacteria and such to the organism.

    The histological diagnosis of PC is currently restricted to lesions showing unequivocal extra-parathyroidal growth, as evidenced by perineural invasion, full thickness capsular invasion with growth into adjacent tissues, extratumoral vascular invasion, or metastasis.

  4. 4

    The breaching of the skin barrier.

Etymology

From Middle French invasion, from Late Latin invāsiōnem, accusative of invāsiō.

Forms

plural
invasions
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).