Word.ws English Dictionary

IBS

/aɪ.biːˈɛs/

IBS is the initialism of identical by state.

IBS is the initialism of irritable bowel syndrome.

IBS is the initialism of ichthyosis bullosa of Siemens.

Meaning of identical by state

Adjective

identical by state (not comparable)

  1. Being two identical alleles or two identical segments or sequences of DNA; being segments which are not identical by descent and therefore do not share a recent common ancestor.

Meaning of irritable bowel syndrome

Noun

irritable bowel syndrome (uncountable)

  1. A functional disorder causing the nerves and muscles of the large intestine to be oversensitive, leading to symptoms such as cramp, bloating, flatulence, diarrhoea and constipation.
    Synonyms:
    IBS

Noun capitalized: IBs

IBs

  1. (plural) plural of IB

Words formed from IBS

Questions about IBS

What is IBS the initialism of?
IBS is the initialism of identical by state.
What part of speech is IBS?
IBS is a noun.
How do you pronounce IBS?
IBS is pronounced /aɪ.biːˈɛs/.

Words near IBS in the dictionary

  1. ibritumomab tiuxetan
  2. ibrotamide
  3. Ibrox
  4. IBRS
  5. ibrutinib
  6. IBS
  7. IBS-C
  8. IBS-D
  9. IBSA
  10. Ibsen
  11. Ibsenesque

Source and license

Adapted from Wiktionary: IBS (page history and authors); IBs (page history and authors); identical by state (page history and authors); irritable bowel syndrome (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.

Last updated:

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