intrusive.

1. Entering or interrupting someone's space, privacy, or attention in an unwelcome way.

2. Formed when molten rock cools and hardens below the surface, within existing rock.

Use it for

Words that belong together

• intrusive thoughts
• an intrusive presence

On the page

Intrusive thoughts returned whenever the house became quiet.

Usage notes

Primary category: horror / gothic. Forms: General sense comparative more intrusive, superlative most intrusive; geological sense normally non-gradable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: description, atmosphere. Commonness: moderately common.