Pronunciation: (bak'slīd"), [key]
—v., -slid, -slid or -slid•den, -slid•ing,
to relapse into bad habits, sinful behavior, or undesirable activities.
an act or instance of backsliding: a backslide from his early training.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.