inexcusable delay

inexcusable delay noun default, dereliction, disregard, failure of duty, indifference, lack of diligence, laggardness, laxity, laxness, malfeasance, neglect, neglectfulness, negligence, nonfeasance, nonobservance, nonperformance, prejudicial delay, procrastination, remissness, unconncionable delay, undue delay, unexplained delay, unnecessary prolongation, unreasonable delay
Associated concepts: failure to litigate, laches

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See also: laches