-itis

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-itis

  • /-ˈaɪtɪs/

Where it comes from

From New Latin -itis, from Ancient Greek -ῖτις (-îtis, “pertaining to”). This is the feminine form of adjectival suffix -ῑ́της (-ī́tēs). The English suffix derives from the feminine form due to its use with the feminine noun νόσος (nósos, “disease”), particularly with ἀρθρῖτις (νόσος) (arthrîtis (nósos), “disease of the joints”) (one of the earliest English borrowings from which the suffix was extracted and abstracted). Adding "-itis" to the end of a word or phrase can give a humorous sense by generalization.

suffix -itides · -itises · -ites

  1. morpheme, uncountable, usually Denoting diseases characterized by inflammation, itself often caused by an infection.
  2. humorous, morpheme, uncountable, usually Used to form the names of various fictitious afflictions or diseases. What to Do About Senioritis: Make Your Senior Year Count, College Board. Accessed April 4, 2008.

Translations

Every language

suffix suffix denoting diseases characterized by inflammation

Español-itis
한국어-염 -yeom
日本語-炎 -en
中文-炎 -yán
Português-ite
Français-ite
Deutsch-itis
Italiano-ite
Română-ită
Русский-и́т -ít

suffix suffix denoting fictitious afflictions or diseases

Español-itis
Deutsch-itis
Русский-и́т -ít

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Cite this
MLA

"-itis." Wiktionary, via Micwyn, micwyn.com/word/-itis. Accessed 6 Nov. 2026.

APA

-itis. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/-itis

Chicago

"-itis." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/-itis.

BibTeX
@misc{itis_2026,
  title = {-itis},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/-itis},
  urldate = {2026-11-06}
}