dead-end vs deadlock

dead-end

• To come to a dead-end. 

• Going nowhere; blocked. 

• A road with no exit. 

• A position that offers no hope of progress. 

deadlock

• To cause or come to a deadlock. 

• A standstill resulting from the opposition of two evenly matched forces; a stalemate or impasse. 

• An inability to continue due to two programs or devices each requiring a response from the other before completing an operation.