A keel prevents the ship from "slipping," or sliding sideways along the wind. There is no gross slippage, just elastic distortion and some local slipping (creep slippage). He also tends to leave Edward with pricey dinner bills before quietly slipping away. The "Luftwaffe"s technical edge was slipping away. The maximum available friction occurs when the wheels are slipping/creeping. An-Nasir Yusuf subsequently returned to Syria, which was slowly slipping out of his control. Team captain John Terry took his place but missed after slipping whilst taking the penalty. This prevented the enemy from slipping through covertly. He realizes he is slipping into insanity and leaves apologizing. The resulting contact left Battiston unconscious, later slipping into a coma. By the year 2000, Converse was slipping repeatedly into receivership as debt piled up yearly. Sources cited fans as pondering four questions&colon; When was Brooke slipping away? Exhibitors noticed the drop in quality, and often complained that the series was slipping. Lizard proceeds to poisons him by slipping a poison into her beer. By the 1800s, the hospital was slipping into disrepair.