relapse

[ri-laps, ri-laps, ree-laps]

verb (used without object)

relapsed, relapsing 

1. to fall or slip back into a former state, practice, etc..

   to relapse into silence.

2. to fall back into illness after convalescence or apparent recovery.

3. to fall back into vice, wrongdoing, or error; backslide.

   to relapse into heresy.

   Synonyms: lapse, revert, regress

noun

1. an act or instance of relapsing.

2. a return of a disease or illness after partial recovery from it.

relapse

verb

1. to lapse back into a former state or condition, esp one involving bad habits

2. to become ill again after apparent recovery

noun

1. the act or an instance of relapsing

2. the return of ill health after an apparent or partial recovery

Other Word Forms

• relapsable adjective
• relapser noun
• unrelapsing adjective

Word History and Origins

Origin of relapse¹

First recorded in 1400–50; (for the verb) late Middle English, from Latin relāpsus “slid back,” past participle of relābī “to slide back, revert,” from re- re- + lābī “to fall, slide, make a mistake”; noun derivative of the verb

Word History and Origins

Origin of relapse¹

C16: from Latin relabī to slip back, from _re- + labī to slip, slide

Example Sentences

Individuals who had relapsed after therapy had significantly narrower cristae than newly diagnosed patients, with the most dramatic differences appearing in those previously treated with venetoclax.

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Immune cells act like vigilant sentries, moving through tissues and detecting remaining cancer cells that could lead to relapse.

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Given adverse events seen with other trials, expectations for fenebrutinib in relapsing multiple sclerosis were modest, he says.

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But for most people the risks of taking an antidepressant are less than the risk of a relapse of depression, he notes.

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The Swiss pharmaceutical group said Monday that fenebrutinib met its primary endpoint in a Phase 3 clinical trial in patients with relapsing multiple sclerosis, the most common form of the disease.

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Related Words

• recidivism 
• recurrence 
• regression 
• worsening www.thesaurus.com