Word.ws English Dictionary

zero hour

zero hour noun: synonym of H-hour.

Noun

zero hour (plural zero hours)

  1. Synonym of H-hour.
    • I waited with occasional glances at my watch until the zero hour should arrive.1929, Arthur Conan Doyle, When the World Screamed
    • Zero hour was forty-five minutes after midnight.Two companies were to attack on a 600-yard front […].1937, Siegfried Sassoon, The Complete Memoirs of George Sherston, 1972 paperback edition, London: Faber, page 339
    Synonyms:
    H-hour

zero hour meaning in Tamil, Urdu and Malayalam

zero hour in Tamil

கடைசி நேரம், குறி பொழுது, பேரவைத் தடையிலா காலம், ஊடுறு நேரம்

zero hour in Urdu

بڑی اہم گھڑی, طے شدہ ساعت

zero hour in Malayalam

the appointed time, the critical moment, the moment of truth
ശൂന്യവേള, നിർദ്ദിഷ്ടസമയം, ദിഷ്ടം, നിശ്ചിതസമയം, യുദ്ധപ്രവർത്തനങ്ങൾ ആരംഭിക്കുന്ന സമയം, നിർണ്ണായക നിമിഷം

Synonyms of zero hour

Forms of zero hour

pluralzero hours

Questions about zero hour

What does zero hour mean?
Zero hour means synonym of H-hour.
What is zero hour in Tamil?
Zero hour in Tamil is கடைசி நேரம், குறி பொழுது, பேரவைத் தடையிலா காலம். See Zero hour meaning in Tamil.
What part of speech is zero hour?
Zero hour is a noun.
What is the plural of zero hour?
The plural of zero hour is zero hours.

Words near zero hour in the dictionary

  1. zero gee
  2. zero grade
  3. zero grades
  4. zero gravity
  5. zero growth
  6. zero hour
  7. zero hours
  8. zero hundred
  9. zero ideal
  10. zero in
  11. zero line

Source and license

Adapted from Wiktionary: zero hour (page history and authors); zero hour (Tamil Wiktionary) (page history and authors); zero hour (Urdu Wiktionary) (page history and authors); zero hour (Olam, E.K. Kurup corpus) (dataset and license). 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: “zero hour.” Word.ws, https://word.ws/zero_hour. Based on Wiktionary, CC BY-SA 4.0.