quid pro quo

/ˌkwɪd.pɹəʊˈkwəʊ/

//ˌkwɪd.pɹəʊˈkwəʊ// noun

"quid-pro-quo" is a 10-letter English headword indexed on PlainSpell.

The verdict

“quid pro quo” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Something which is understood as something else; an equivocation.

Key facts for quid pro quo
PropertyValue
Headwordquid pro quo
LanguageEnglish
Part of speechNoun
IPA/ˌkwɪd.pɹəʊˈkwəʊ/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “quid pro quo” sits in English frequency

quid pro quo falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

quid pro quo is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌkwɪd.pɹəʊˈkwəʊ/. Rarity is why readers land here mid-draft. 6 senses are on record.

quid pro quo doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Borrowed from Latin quid prō quō (literally “something for something”). The correct English form is quid pro quo, spelled Q-U-I-D- -P-R-O- -Q-U-O.

Definition

  1. 1
    Something which is understood as something else; an equivocation.
  2. 2
    Substitution of one drug for another.
  3. 3
    Something which is offered or asked for in exchange for something else.
  4. 4
    A usually non-monetary exchange transaction, or series or process of exchange transactions.
  5. 5
    A usually non-monetary exchange transaction, or series or process of exchange transactions.
  6. 6
    Sexual harassment in which a person in a workplace implicitly or explicitly requires sexual favours in exchange for something.

Etymology

Borrowed from Latin quid prō quō (literally “something for something”).

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "quid pro quo"?
"quid pro quo" is spelled Q-U-I-D- -P-R-O- -Q-U-O. The IPA pronunciation is /ˌkwɪd.pɹəʊˈkwəʊ/.
What does "quid pro quo" mean?
As a noun, "quid pro quo" means: Something which is understood as something else; an equivocation.
How do you pronounce "quid pro quo"?
The IPA (International Phonetic Alphabet) transcription for "quid pro quo" is /ˌkwɪd.pɹəʊˈkwəʊ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "quid pro quo"?
Borrowed from Latin quid prō quō (literally “something for something”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “quid pro quo”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is Q-U-I-D- -P-R-O- -Q-U-O - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌkwɪd.pɹəʊˈkwəʊ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list