Definitions

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.

Brendan Fraser and Andrew Scott are fire and ice in this depiction of the run-up to D-day, a secret operation that required total commitment — and no rain.

From Los Angeles Times • May 29, 2026

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

From Los Angeles Times • May 29, 2026

Ultimately, Stagg tells a room full of military leaders that they have to pause on D-day because of the weather — a truthful inclusion.

From Los Angeles Times • May 29, 2026

The film expands Haig’s play and includes additional characters and sequences, including the actual D-day invasion.

From Los Angeles Times • May 29, 2026

Then, in August 2009, the city decided to pardon the children who had participated in the 1963 D-day and Double D-day protest.

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