intrude, intruding, intruded 1. To put or force in inappropriately; especially, without invitation, fitness, or permission. 2. To disturb someone's peace or privacy by going or being somewhere uninvited. 3. To be an unwelcome presence in, or to make an unwelcome entry into, something or a place: 'The noise of the screaming of the amusement-park r... Found on http://www.wordinfo.info/words/index/info/view_unit/2193/