Definition of lapse into phrasal verb from the Oxford Advanced Learner's Dictionary

 

lapse into

 phrasal verb
phrasal verb
 
jump to other results
Phrasal Verbs
  1. 1to gradually pass into a worse or less active state or condition to lapse into unconsciousness/a coma She lapsed into silence again.
  2. 2to start speaking or behaving in a different way, often one that is less acceptable He soon lapsed back into his old ways.
See the Oxford Advanced American Dictionary entry: lapse into