D-day

[dee-dey] / ˈdiˌdeɪ /

NOUN

target date

Synonyms

WEAK

A-day H-hour deadline target day term terminal date time allotment time frame zero hour

NOUN

zero hour

Synonyms

WEAK

A-day H-hour appointed hour climax contingency countdown crisis crisis point crossroad crossroads crunch time deadline emergency exigency jumping-off point juncture moment of truth pinch pivotal moment start time strait target target day the time turning point vital moment

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“When Eisenhower was passing on the baton of leadership at the inauguration for JFK, JFK asked, ‘What gave you the edge on D-day?’

From Los Angeles Times • May 29, 2026

If you’re skeptical about how exciting a movie about the weather on D-day might be, “Pressure” takes that as a creative challenge, an argumentative stance from which to start.

From Los Angeles Times • May 29, 2026

Stagg was not allowed to make phone calls to her because of the secrecy surrounding D-day.

From Los Angeles Times • May 29, 2026

Eisenhower, in particular, felt the magnitude of D-day.

From Los Angeles Times • May 29, 2026

The ministers argued among themselves that night—the evening before the march that James Bevel had called D-day.

From "While the World Watched: A Birmingham Bombing Survivor Comes of Age during the Civil Rights Movement" by Carolyn Maull McKinstry

D-day

Example Sentences

Related Words