1. (noun)invasion, encroachment, intrusion any entry into an area not previously occupied Synonyms: violation, usurpation, trespass, intrusion, invasion, encroachment, impact, impingement
2. (noun)intrusion entrance by force or without permission or welcome Synonyms: violation, invasion, encroachment, usurpation, trespass
3. (noun)intrusion the forcing of molten rock into fissures or between strata of an earlier rock formation Synonyms: violation, invasion, encroachment, usurpation, trespass
4. (noun)intrusion rock produced by an intrusive process Synonyms: violation, invasion, encroachment, usurpation, trespass
5. (noun)trespass, encroachment, violation, intrusion, usurpation entry to another's property without right or permission Synonyms: infringement, violation, misdemeanor, irreverence, usurpation, ravishment, assault, infraction, trespass, intrusion, invasion, misdemeanour, rape, encroachment, impact, impingement
Synonyms, Thesaurus & Antonyms of 'intrusion'
English Synonyms and Antonyms
1. intrusion An attack may be by word; an aggression is always by deed. An assault may be upon the person, an aggression is upon rights, possessions, etc. An invasion of a nation's territories is an act Synonyms: attack, aggression, incursion, invasion, onslaught, assault, infringement, onset, trespass, encroachment, intrusion Antonyms: defense, repulsion, resistance, retreat, submission, surrender
Synonyms for intrusion 
