Word.ws English Dictionary

Plural of assumption

regular plural

The plural of assumption is assumptions.

Forms of assumption

Singularassumption /əˈsʌm(p).ʃ(ə)n/
Pluralassumptions
Countablecountable and uncountable

Assumptions in a sentence

  • No doubt a finite evaluative argument must make some unargued evaluative assumptions, just as finite factual arguments must make some unargued factual assumptions.1976, “The Journal of Aesthetic Education, Volume 10”, in (Please provide the book title or journal name)
  • Drill deeper and you may find the underlying assumptions faulty.From the entry drill
  • More profoundly, it has shaken our most fundamental assumptions.From the entry profoundly
  • Moving from a single-processor to a multi-processor system often exposes hidden nondeterminism due to invalid assumptions about scheduling.From the entry nondeterminism
  • Per a source, it’s just “fan assumptions” and “innocent” chats that are being read into.2026 April 10, Mehera Bonner, “‘Summer House: Ozarks’ Is Reportedly Coming...With West Wilson as a Cast Member”, in Cosmopolitan. From the entry kay

Meaning of assumption

  1. noun The act of assuming, or taking to or upon oneself; the act of taking up or adopting.
  2. noun The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim.
  3. noun The thing supposed; a postulate, or proposition assumed; a supposition.

Full definition of assumption

Questions about the plural of assumption

What is the plural of assumption?
The plural of assumption is assumptions.
Is assumption countable?
Assumption is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: assumption (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of assumption.” Word.ws, https://word.ws/plural/assumption. Based on Wiktionary, CC BY-SA 4.0.