English · Word Candidate

day

/ˈdeɪ̯/

Proposed by a contributor, not yet supported by evidence.

Also seen as: days

Sense 1

Both English Tiếng Việt

Meaning · English

The time when the Sun is above the horizon and it lights the sky.

Nghĩa · Tiếng Việt

Thời gian Mặt Trời ở trên đường chân trời và chiếu sáng bầu trời

Machine-translated — suggest a fix

Noun

Examples

day and night; I work at night and sleep during the day.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Both English Tiếng Việt

Meaning · English

A period of time equal or almost equal to a full day-night cycle, being 24 hours long.

Nghĩa · Tiếng Việt

Khoảng thời gian bằng hoặc gần bằng một chu kỳ ngày-đêm, là 24 giờ

Machine-translated — suggest a fix

Noun

Examples

Holonyms: week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “day” mean?

The time when the Sun is above the horizon and it lights the sky.

Is “day” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.