invasion /in-vāˈzhən/

1. The act of invading
2. An attack
3. Incursion
4. An attack on the rights of another
5. Encroachment
6. Penetration
7. A violation

invasive /-vāˈziv/ adjective

1. Invading
2. Aggressive
3. Encroaching
4. Infringing another's rights
5. Entering
6. Penetrating

• unuseful
• unusefully
• unusefulness
• unusefulnesses
• unushered
• unusual
• unusually
• unusualness
• unusualnesses
• unutilised
• unutilized
• unutterable
• unutterables
• unutterably
• unuttered
• unvaccinated
• unvail
• unvaile
• unvaluable
• unvalued
• unvanquishable
• unvanquished
• unvariable
• unvaried
• unvariegated