as day

USAGE SUMMARY

The phrase "as day" is correct and usable in written English.
It is typically used to convey clarity or certainty, often in the context of something being obvious or clear. Example: "The truth of the matter is as day; we must address the issue directly."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

UTI was present as early as day 3 and as late as day 75, with a mean of 19.5 days.

BMC Infectious Diseases

"It's plain as day.

The New York Times - Sports

Clear as day.

The New York Times - Arts

"It's clear as day.

The New Yorker

"It's as plain as day.

The New York Times

How'm I doing?' As natural as day".

The New York Times

Alou was listed as day to day.

The New York Times - Sports

O'Neal was listed as day to day.

The New York Times - Sports

"It is as clear as day.

The Guardian

Vincent was described as day to day.

The New York Times - Sports

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

The calendar date is given as day-month-year.

American Journal of Primatology

Expert writing Tips

Best practice

When using "as day" in the context of time, ensure it's part of a broader phrase like "day to day" or "defined as day" to provide a clear temporal reference.

Common error

Avoid using "as day" in isolation when referring to specific dates or periods without proper context. Always clarify what the reference day represents, such as "defined as day 1" in a study.

Linguistic Context

The phrase "as day" typically functions as part of a simile (e.g., "clear as day", "plain as day") to emphasize clarity or obviousness. As Ludwig AI shows, it is also used in scientific contexts to define specific days as reference points (e.g., "defined as day 0").

Expression frequency: Uncommon

Frequent in

Science

40%

News & Media

35%

Formal & Business

10%

Less common in

Encyclopedias

5%

Wiki

5%

Reference

5%

Ludwig's WRAP-UP

In summary, the phrase "as day" is used to denote clarity, temporal reference, or predictability. It appears in similes to emphasize obviousness, and in scientific contexts to define specific days. Ludwig AI indicates that while grammatically correct, its frequency varies across different contexts, being more common in science and news media. When using the phrase, ensure the context clearly indicates the intended meaning, whether it's to describe something as obvious or to define a specific point in time.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

clear as day

Emphasizes the clarity or obviousness of something.

plain as day

Similar to 'clear as day', it indicates something is easily understood or apparent.

day-to-day

Focuses on daily occurrences or management.

from day to day

Highlights the variability or progression over consecutive days.

listed as day to day

Indicates uncertainty about someone's status and suggests frequent reevaluation.

marked as day

Highlights something being labeled or designated as a specific day.

defined as day

Highlights something being specifically defined or designated as a specific day.

predictable as day

Emphasizes the reliability or certain occurrence of events.

natural as day

Highlights something being labeled or designated as a specific day.

beginning of the month

Focuses on an event in early days of the month.

FAQs

How can I use "as day" in a sentence to indicate clarity?

To indicate clarity, use "as day" with qualifiers like "clear "clear as day"" or "plain "plain as day"". These phrases emphasize that something is easily understood or obvious.

What does it mean when something is described "as day to day"?

When something is described "day to day", it typically means it's subject to change or needs frequent reevaluation. It's often used in contexts like medical conditions or project management to indicate ongoing monitoring.

How is "as day" used in scientific research?

In scientific research, "as day" is frequently used to define a reference point, such as "defined "defined as day" 0" or "reported "reported as day" 1". This establishes a clear chronological marker for experiments or observations.

What are some alternatives to "as predictable as day"?

Alternatives to "as predictable as day" include "certain", "inevitable", or "guaranteed", which convey a similar sense of reliability or certainty.