perfectly circular

USAGE SUMMARY

The phrase "perfectly circular" is correct and usable in written English.
It can be used to describe an object or shape that is completely round without any irregularities. Example: "The artist created a perfectly circular sculpture that captivated everyone who saw it."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Hence, the shaft cross-sectional area is perfectly circular when circ = 1 and any deviation from circularity will lead to reductions in circ.

Bone

It's a perfectly circular business.

The Guardian - Tech

The law sounded perfectly circular.

The New York Times - Magazine

It is a perfectly circular argument.

The Economist

Nauru is a perfectly circular atoll, about a third the size of Manhattan.

The New York Times - Magazine

But the Moon's gravity is uneven and the orbit is not perfectly circular.

The New York Times - Science

The map shows the city center girdled by a perfectly circular and symmetric set of city walls.

The New York Times

The basement-level space is perfectly circular and blindingly white; less "Blade Runner" than the immaculate retro futurism of "A Clockwork Orange".

The New York Times - Magazine

In it I felt as if I might be in a Gypsy caravan, if such a caravan could be perfectly circular.

The New Yorker

The tunnel-boring machines they use now had made a perfectly circular cut through the solid Manhattan schist and the diamond cutting heads had left such beautiful striations!

The New Yorker

The bulkier bandage has been replaced by a Band-Aid, the wound itself a red, perfectly circular patch of rough scab.

The New York Times

Expert writing Tips

Best practice

Use "perfectly circular" when describing shapes or concepts that are ideally round without any deviation. For example, in technical writing, you might describe a component as having a "perfectly circular" cross-section.

Common error

While "perfectly circular" is accurate, avoid using it excessively in everyday descriptions where a simpler term like "round" or "circular" would suffice. Overusing it can make your writing sound overly formal or stilted. For instance, instead of saying "The cookies were perfectly circular", simply say "The cookies were round".

Linguistic Context

The phrase "perfectly circular" functions as an adverb-adjective combination modifying a noun. It describes the degree to which something is circular, emphasizing its ideal roundness. As Ludwig AI shows, it's used across scientific and general contexts.

Expression frequency: Very common

Frequent in

Science

40%

News & Media

35%

Encyclopedias

10%

Less common in

Wiki

8%

Formal & Business

5%

Reference

2%

Ludwig's WRAP-UP

In summary, "perfectly circular" is a common and grammatically correct phrase used to describe something that is ideally round. As Ludwig AI confirms, its usage spans across different domains, most prominently science, news media, and encyclopedias. The phrase is best suited for contexts where precision is important, and should be used judiciously in more casual settings. While alternatives like "completely round" or "entirely circular" exist, "perfectly circular" offers a specific emphasis on flawlessness. Be careful to not overuse it in non-technical contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

completely round

Emphasizes the roundness without necessarily implying perfection.

entirely circular

Similar to completely round, stressing the wholeness of the circular shape.

absolutely circular

Highlights the certainty and lack of deviation from a circular shape.

flawlessly circular

Adds a sense of perfection and lack of any flaws in the circularity.

precisely circular

Focuses on the accuracy and exactness of the circular form.

perfectly round

A more common and slightly less formal synonym.

uniformly circular

Highlights the consistency of the circular shape throughout.

purely circular

Implies an ideal or unadulterated circular form.

unblemished circle

Shifts focus from the circularity itself to the absence of any imperfections.

true circle

Emphasizes the authenticity and genuine nature of the circular shape.

FAQs

How can I use "perfectly circular" in a sentence?

The phrase "perfectly circular" is used to describe something that is ideally round. For example: "The design called for a "perfectly circular" opening to ensure proper ventilation."

What is a synonym for "perfectly circular"?

Synonyms for "perfectly circular" include "completely round", "entirely circular", or "flawlessly circular". The best choice depends on the context.

Is it correct to say "almost perfectly circular"?

Yes, "almost perfectly circular" is acceptable when describing something that closely resembles a perfect circle but has slight imperfections. This acknowledges that true perfection is rare.

What does "perfectly circular argument" mean?

The phrase "perfectly circular argument" refers to a type of logical fallacy where the conclusion is used to support the premise, and the premise supports the conclusion, creating a non-informative cycle. The argument provides no independent reason to accept the conclusion.