Word.ws English Dictionary

incontestability

incontestability noun: the state or quality of being incontestable.

Noun

incontestability (countable and uncountable, plural incontestabilities)

  1. The state or quality of being incontestable.
  2. (US) The state of having been registered as a trademark for more than five consecutive years without a challenge, and therefore conclusively presumed not to cause confusion with any other trademark, and to have acquired distinctiveness.

Forms of incontestability

pluralincontestabilities

Origin of incontestability

From in- + contestability.

Questions about incontestability

What does incontestability mean?
Incontestability means the state or quality of being incontestable.
What part of speech is incontestability?
Incontestability is a noun.
What is the plural of incontestability?
The plural of incontestability is incontestabilities.

Words near incontestability in the dictionary

  1. inconsummate
  2. inconsumptible
  3. incontaminable
  4. incontaminate
  5. incontestabilities
  6. incontestability
  7. incontestable
  8. incontestableness
  9. incontestably
  10. incontested
  11. incontestibility

Source and license

Adapted from Wiktionary: incontestability (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: “incontestability.” Word.ws, https://word.ws/incontestability. Based on Wiktionary, CC BY-SA 4.0.