Definition of lapsing:
deteriorating (part of speech: verb)
- going downhill,
- getting worse,
- falling apart,
- relapsing (part of speech: verb)
- "The Last Hope", Henry Seton Merriman.
- "Antony Gray,--Gardener", Leslie Moore.
Each of these exclamations was a shriek; and I must remark of my sister, what is equally true of all the violent women I have ever seen, that passion was no excuse for her, because it is undeniable that instead of lapsing into passion, she consciously and deliberately took extraordinary pains to force herself into it, and became blindly furious by regular stages; what was the name he gave me before the base man who swore to defend me?- "Great Expectations", Charles Dickens.