sclerosis

scle·ro·sis
S1C3L1E1R1O1S1I1S1
UK/skləˈɹəʊ.sɪs/Canada, US/skləˈɹoʊ.sɪs/Australia/skləˈɹəʉ.sɪs/New Zealand/skləˈɹɐʉ.səs/

noun

The abnormal hardening of body tissues, such as an artery; the appearance of hardenings, indurations, lesions, nodules.

Less commonScrabble 11Word of the Day · Dec 5, 2025

Meanings

nounsclerosis (countable and uncountable, plural scleroses)

plural scleroses

  1. countableuncountablemedicineThe abnormal hardening of body tissues, such as an artery; the appearance of hardenings, indurations, lesions, nodules.

    The “Euphoria” and “Grey’s Anatomy” actor announced on Thursday that he has been diagnosed with amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s Disease.

    2025 April 10, Dan Heching, “Eric Dane shares that he has been diagnosed with ALS”, in CNN

    Synonyms: hardening, fibrosis, induration

  2. countableuncountableInability to create change or excessive resistance to change.

    Suppressing dissent dooms the society to sclerosis, decline and collapse.

    2019 December 6, Charles Hugh Smith, Suppressing Dissent Guarantees Disorder and Collapse

Synonyms & antonyms

nounThe abnormal hardening of body tissues, such as an artery; the appearance of hardenings, indurations, lesions, nodules.

More synonyms by meaning

nounany pathological hardening or thickening of tissue

Similar
Broader
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekσκλήρωσις“hardening”
  2. Englishsclerosis

From Ancient Greek σκλήρωσις (sklḗrōsis, “hardening”), from σκληρόω (sklēróō, “to harden”), from σκληρός (sklērós, “hard”); by surface analysis, sclero- + -osis.

Full word history & related roots →

Translations

Arabic تَصَلُّب
  • تَصَلُّب (taṣallub)abnormal hardening of body tissues
Bulgarian склероза
  • склероза (skleroza)abnormal hardening of body tissues
Catalan esclerosi
  • esclerosiabnormal hardening of body tissues
Chinese Mandarin 硬化, 硬化症
  • 硬化 (yìnghuà)abnormal hardening of body tissues
  • 硬化症 (yìnghuàzhèng)abnormal hardening of body tissues
Czech skleróza, kornatění
  • sklerózaabnormal hardening of body tissues
  • kornatěníabnormal hardening of body tissues
Danish sklerose, sclerose
  • skleroseabnormal hardening of body tissues
  • scleroseabnormal hardening of body tissues
Dutch sclerose
  • scleroseabnormal hardening of body tissues
Estonian skleroos, kõvastus
  • skleroosabnormal hardening of body tissues
  • kõvastusabnormal hardening of body tissues
Finnish kovettuminen
  • kovettuminenabnormal hardening of body tissues
French sclérose
  • scléroseabnormal hardening of body tissues
German Sklerose
  • Skleroseabnormal hardening of body tissues
Hungarian szklerózis, elmeszesedés
  • szklerózisabnormal hardening of body tissues
  • elmeszesedésabnormal hardening of body tissues
Icelandic hersli, sigg
  • hersliabnormal hardening of body tissues
  • siggabnormal hardening of body tissues
Italian sclerosi
  • sclerosiabnormal hardening of body tissues
Japanese 硬化, 硬化症
  • 硬化 (kōka)abnormal hardening of body tissues
  • 硬化症 (kōkashō)abnormal hardening of body tissues
Korean 경화, 경화증
  • 경화 (gyeonghwa)abnormal hardening of body tissues
  • 경화증 (gyeonghwajeung)abnormal hardening of body tissues
Latin sclērōsis
  • sclērōsisabnormal hardening of body tissues
Latvian skleroze
  • sklerozeabnormal hardening of body tissues
Lithuanian sklerozė
  • sklerozėabnormal hardening of body tissues
Norwegian Bokmål sklerose
  • skleroseabnormal hardening of body tissues
Polish stwardnienie, skleroza
  • stwardnienieabnormal hardening of body tissues
  • sklerozaabnormal hardening of body tissues
Portuguese esclerose
  • escleroseabnormal hardening of body tissues
Romanian scleroză
  • sclerozăabnormal hardening of body tissues
Russian склеро́з
  • склеро́з (skleróz)abnormal hardening of body tissues
Slovak skleróza, skostnatenie
  • sklerózaabnormal hardening of body tissues
  • skostnatenieabnormal hardening of body tissues
Spanish esclerosis
  • esclerosisabnormal hardening of body tissues
Swedish skleros
  • sklerosabnormal hardening of body tissues
Turkish skleroz
  • sklerozabnormal hardening of body tissues

Rhymes & wordplay

Rhymes with sclerosis

All rhymes →
Cite this entry
APA

sclerosis. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sclerosis

MLA

“sclerosis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sclerosis. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sclerosis,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sclerosis.

Source: sclerosis on Wiktionary, CC BY-SA 4.0.