1. situations in which no progress can be made because opposing parties cannot reach agreement
Usage: plural of deadlock
2. types of locks that can only be opened with a key from either side
Usage: plural of deadlock; security hardware

1. causes a situation where no progress can be made; brings to a complete standstill
Usage: third person singular present tense

Examples

• The budget negotiations resulted in multiple deadlocks between the parties.
• Political deadlocks often prevent important legislation from passing.
• The apartment has high-security deadlocks on both the front and back doors.
• Installing deadlocks significantly improves home security.
• The dispute deadlocks the entire project until lawyers can intervene.
• When neither side compromises, the discussion deadlocks immediately.
• Union deadlocks with management led to a prolonged strike.