Word.ws English Dictionary

sanity check

sanity check noun: a check to make sure that something does not contain elementary mistakes or impossibilities and is not based on invalid assumptions.

Noun

sanity check (plural sanity checks)

  1. A check to make sure that something does not contain elementary mistakes or impossibilities and is not based on invalid assumptions.
    • Near-synonyms: reality check; sniff test

Verb

sanity check (third-person singular simple present sanity checks, present participle sanity checking, simple past and past participle sanity checked)

  1. To perform a sanity check.

Synonyms of sanity check

Forms of sanity check

Noun
pluralsanity checks
Verb
third-person singular presentsanity checks
present participlesanity checking
past participlesanity checked
pastsanity checked

Questions about sanity check

What does sanity check mean?
Sanity check means a check to make sure that something does not contain elementary mistakes or impossibilities and is not based on invalid assumptions.
What part of speech is sanity check?
Sanity check can be a noun or a verb.
What is the plural of sanity check?
The plural of sanity check is sanity checks.

Words near sanity check in the dictionary

  1. sanitizing wipes
  2. sanitoria
  3. sanitorium
  4. sanitoriums
  5. sanity
  6. sanity check
  7. sanity checked
  8. sanity checking
  9. sanity checks
  10. sanity test
  11. sanity tests

Source and license

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