Word.ws English Dictionary

-ioid

-ioid suffix: used to form an adjective meaning "resembling" from nouns ending in -ium or -ia.

Suffix

-ioid

  1. Used to form an adjective meaning "resembling" from nouns ending in -ium or -ia.
    • epithelium + -ioid → epithelioid (“resembling the epithelium”)
    • hemophilia + -ioid → hemophilioid (“resembling hemophilia”)

Origin of -ioid

By surface analysis, -i(um) + -o- + -id and -i(a) + -o- + -id

Questions about -ioid

What does -ioid mean?
-ioid means used to form an adjective meaning "resembling" from nouns ending in -ium or -ia.
What part of speech is -ioid?
-ioid is a suffix.

Words near -ioid in the dictionary

  1. -ing-form
  2. -ing-forms
  3. -ino
  4. -ins
  5. -iod-
  6. -ioid
  7. -ion
  8. -ions
  9. -ior
  10. -iot
  11. -iour

Source and license

Adapted from Wiktionary: -ioid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “-ioid.” Word.ws, https://word.ws/-ioid. Based on Wiktionary, CC BY-SA 4.0.