on the qui vive

adv

"on-the-qui-vive" is a 12-letter English headword indexed on PlainSpell.

The verdict

“on the qui vive” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In a state of heightened vigilance, especially prior to battle.

Corpus desk

Index EN-on-the-qui-vive · on the qui vive · English

on the qui vive · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for on the qui vive
PropertyValue
Headwordon the qui vive
LanguageEnglish
Part of speechAdverb
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “on the qui vive” in English

on the qui vivesits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

on the qui vive is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In a state of heightened vigilance, especially prior to battle.".

No generated misspelling entries exist for on the qui vive in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Partial calque of French sur le qui-vive (“in a state of heightened vigilance”). The correct English form is on the qui vive, spelled O-N- -T-H-E- -Q-U-I- -V-I-V-E.

Definition

  1. 1
    In a state of heightened vigilance, especially prior to battle.

Recorded use

Wiktionary examples

These source excerpts show how on the qui vive appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The political influence wielded by many of the court ladies, and especially by the first lady-in-waiting (mother of the present Emperor), bears a certain resemblance to that which the eunuchs wielded under the later Manchus at the court of Peking. […] And behind the 30 ladies-in-waiting there are the rank and file of female palace attendants, some 300, al…
  2. The question of who pressed the bell that sounded in Erskine's room, in the night, was a great source of worry to Watt, for a time, and kept him awake at night, on the qui vive.

Etymology

Partial calque of French sur le qui-vive (“in a state of heightened vigilance”).

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 "on the qui vive"?
"on the qui vive" is spelled O-N- -T-H-E- -Q-U-I- -V-I-V-E.
What does "on the qui vive" mean?
As an adverb, "on the qui vive" means: In a state of heightened vigilance, especially prior to battle.
What is the origin of the word "on the qui vive"?
Partial calque of French sur le qui-vive (“in a state of heightened vigilance”). 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.

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

Source: FrequencyWords open word-frequency list