persistency

emphasis importunity insistency perseverance persistence urging

idleness indolence

assiduity continuance continuity continuum duration endurance extension furtherance increase line perpetuation persistence postscript preservation production prolongation propagation protraction sequel succession supplement sustenance tenacity

augmenting continuing enduring going on increasing maintaining perpetuating persisting preserving producing prolonging protracting sustaining

curtailment decrease destruction end hindrance indifference ruin stoppage