DEADLOCKING
Scrabble letter values: D2E1A1D2L1O1C3K5I1N1G2 = 20
Definition
DEADLOCKING is the present participle of DEADLOCK.
noun DEADLOCK: a situation in which no progress can be made or no advancement is possible.
Synonyms of DEADLOCK: dead_end, impasse, stalemate, standstill