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Definition of incursion

incursion

/ɪnˈkɜːr.ʒən/
in · cur · sion

Plural:incursions
•
Adjective:incursive
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incursion Lexical Profile

incursion Game Scores & Validity

• noun

1

A sudden, brief invasion or hostile raid into foreign territory.

Example

"Historical records describe several cross-border incursions along the northern frontier during the fifteenth century."


2

An unwanted intrusion, entry, or encroachment into a place, sphere of activity, or natural environment (such as by water, wildlife, or a competing organization).

Example

"The coastal barrier was reinforced to prevent the incursion of seawater into the freshwater marshes."

Synonyms
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Antonyms
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Word Nuance & Usage

Do not confuse 'incursion' (a sudden, hostile raid or unwanted intrusion into a territory or domain) with 'excursion' (a short, pleasurable journey or outing).

• Rhymes for incursion

Word Origin & Etymology

Borrowed in the 15th century from Latin incursio ('a running against, onset, attack'), derived from the verb incurrere, from in- ('into, upon') and currere ('to run').

Cite this Entry


Wordmom. (2026). Definition of Incursion. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/incursion
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