The term 'slipped past' can be defined by the crossword solutions eluded (6 letters), EDGED (5 letters), and easedby (7 letters). Eluded means to have avoided capture or detection, EDGED means to have moved gradually or cautiously, and easedby means to have been helped or assisted. Together, these words suggest that the term 'slipped past' means to have avoided capture or detection by moving gradually or cautiously with help or assistance.