noun
- a door at the back or side of a building
- a secret or unauthorized way of accessing a computer system
Usage: computing
adjective
- secret or indirect
Usage: informal
Examples
- She entered through the backdoor to avoid the crowd.
- The kitchen backdoor leads to the garden.
- The politician made a backdoor deal with lobbyists.
- They used backdoor methods to influence the decision.
- Hackers exploited a backdoor in the software.
- The company discovered a backdoor in their security system.
- He always keeps the backdoor unlocked for emergencies.