English dictionary definition of:



  • any entry into an area not previously occupied
  • entrance by force or without permission or welcome
  • the forcing of molten rock into fissures or between strata of an earlier rock formation
  • rock produced by an intrusive process
  • entry to another's property without right or permission


encroachment   invasion   trespass   usurpation   violation  

Spellzone course content

View spelling list More sion words and learn about the word intrusion in the Spellzone English spelling course, Unit 28. Word endings: -tion, -cian, -sion.

Scrabble score for intrusion

Scrabble score = 9

Please note that scrabble only allows seven tiles to be placed at once.

generated at 20:31:23 on 12-02-20

Spelling dictionary home

Sign up to remove this advert

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington