| Answer | Crossword Clue |
|---|---|
| SLIPSIN | Enters without notice |
| BARGESIN | Enters without welcome |
| BARGESIN | Enters without warning |
| BARGESIN | Enters without knocking |
| CRASHES | Enters without ticket: Colloq. |
| illegal | a person who enters a country without authorization |
| illegals | ILLEGAL, a person who enters a country without authorization |
| gatecrash | a person who enters, attends, or participates without ticket or invitation |
