Definition of relapse in English:

relapse

Syllabification: re·lapse

verb

Pronunciation: /rəˈlaps
 
/
[no object]
1(Of someone suffering from a disease) suffer deterioration after a period of improvement.
More example sentences
  • One patient relapsed upon discontinuation of clarithromycin therapy but has since responded to re-initiation of treatment.
  • Thirteen patients relapsed after positive response to therapy and developed tumors at pre-existing or new sites within the body.
  • All patients were cured ultimately and no patients relapsed during six months of follow up.
Synonyms
get ill/worse again, have/suffer a relapse, deteriorate, degenerate, take a turn for the worse
1.1 (relapse into) Return to (a less active or a worse state): he relapsed into silence
More example sentences
  • The main goal of this intervention is to keep him motivated and to avoid a relapse into a less active lifestyle.
  • Let it be hoped that we can refrain from relapsing into the bad old habits once the dreaded epidemic is over, so a new Shanghai with a new outlook will emerge in the long run.
  • But after three decades of lull, it has started relapsing into anarchy and violence.
Synonyms
revert, lapse; regress, retrogress, slip back, slide back, degenerate

noun

Pronunciation: /ˈrēˌlaps
 
/
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A deterioration in someone’s state of health after a temporary improvement: he suffered a relapse of schizophrenia after a car crash
More example sentences
  • However, once treatment was stopped, there were no differences in the rates of relapses and new brain lesions between the two groups.
  • In salmonella infections relapses of enteritis or bacteraemia are common.
  • Many of these patients also experienced a relapse of their psychotic illness after the pregnancy.
Synonyms
deterioration, turn for the worse, setback

Origin

late Middle English: from Latin relaps- 'slipped back', from the verb relabi, from re- 'back' + labi 'to slip'. Early senses referred to a return to heresy or wrongdoing.

Derivatives

relapser

noun
More example sentences
  • Number of relapses increased the likelihood of subsequent relapses, but there were no characteristic differences between one-time relapsers and multiple relapsers.
  • A systematic review of 19 randomised trials and 3765 patients found that 33% of naive patients and 49% of relapsers achieved a sustained virological response on combination therapy.
  • The best treatments are less clear for non-responders and relapsers.

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