noun

• 1mass noun The action of imposing on someone in an unwelcome or intrusive way.

  ‘they do the job with the minimum of fuss and obtrusion’

  More example sentences

  • ‘nosy personal obtrusions’

• 2count noun Something that protrudes or projects outwards.

  ‘a large obtrusion blocked his view’

  More example sentences

  • ‘obtrusions of igneous rock covered by sedimentary soils’