Etymology: (1400–50; (v.) late ME < L relāpsus, ptp. of relābī to slide back, revert =re-re - +lābi to slide, slip; (n.) late ME < ML relāpsus= L relāb(ī)+-sus, for -tus suffix of v. action)
Definition of 'Relapse'
Princeton's WordNet
1. (verb)backsliding, lapse, lapsing, relapse, relapsing, reversion, reverting a failure to maintain a higher state
2. (verb)get worse, relapse deteriorate in health "he relapsed"
3. (verb)relapse, lapse, recidivate, regress, retrogress, fall back go back to bad behavior "Those who recidivate are often minor criminals"
Definition of 'Relapse'
Webster Dictionary
1. Relapse a sliding or falling back, especially into a former bad state, either of body or morals; backsliding; the state of having fallen back
2. Relapse one who has relapsed, or fallen back, into error; a backslider; specifically, one who, after recanting error, returns to it again