across the underside

USAGE SUMMARY

The phrase "across the underside" is correct and usable in written English.
It can be used to describe something that is located or happening on the lower surface of an object or area. Example: "The engineer examined the wiring across the underside of the bridge to ensure everything was secure."

✓ Grammatically correct

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

Mould had spread across the underside of the mattress lying on the plywood bench that served as a bed.

The Guardian

Perhaps it's because they don't want to splatter their brains across the underside of an errant HGV's mudguard the instant they get on a bike.

The Guardian - Opinion

No. 6 is the "Christmas-themed novel, the one in which Miranda and Desiree fall into a crack in the frozen lake and meet watery phantoms in long, flowing scarves skating figure eights across the underside of the lake's layer of ice".

The New York Times - Books

There is a plan to make a very close flyby on 14 February, which would see Rosetta sweep just 6km above the surface, but this will be a quick in-and-out pass that will go across the underside of the duck's body - far away from Philae's presumed resting place.

BBC

She continued on, unknowingly spraying her son's brains across the underside of her car.

Vice

Josh, however, came in like a bruiser and basically finger-punched the bottom of my feet before raking his nails across the underside of my arch.

Vice

Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

Listen for a faint rustling when you move your fingers across the undersides of the petals.

WikiHow

When you've staggered pleats along the paper, stick some Sellotape across them, on the underside, to stop the paper from stretching.

The Guardian - Lifestyle

Mr. Lincoff described a few of the russulas and then moved on to a lactarius, so named because it exudes a milky substance when you run your thumbnail across the gills on the underside of the cap.

The New York Times - Arts

Follow the linoleum's recommended directions for use — some linoleum is meant to have adhesive applied evenly across the entire underside, while other types of linoleum are meant to have adhesive applied only along the edges.

WikiHow

Cells were removed by scraping between the top of the well and a line predrawn across the width of the well, on the underside of the plate, 22 mm from the bottom of the well.

Clinical and Experimental Allergy

Expert writing Tips

Best practice

When describing locations or movements, ensure the context clearly indicates the object or area to whose underside you are referring. Clarity is key.

Common error

Avoid using "across the underside" when a simpler preposition like "under" or "below" would be more appropriate. Overuse can make your writing sound awkward.

Linguistic Context

The phrase "across the underside" typically functions as an adverbial phrase, modifying a verb by specifying the location or manner of an action. This is observed in Ludwig, where it often describes movement or placement relative to a lower surface.

Expression frequency: Common

Frequent in

Wiki

30%

News & Media

40%

Science

30%

Less common in

Encyclopedias

0%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "across the underside" is a grammatically correct and commonly used adverbial phrase that provides spatial context by indicating a location or movement relative to the lower surface of something. Ludwig AI confirms its usability, supported by examples across various domains such as News & Media, Wiki, and Science. While generally neutral in register, it's essential to ensure contextual clarity to avoid awkwardness. Alternatives like "on the bottom surface" or "beneath the surface" may offer simpler options in certain situations.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

on the bottom surface

Replaces "underside" with a more direct synonym, maintaining the spatial relationship.

beneath the surface

Focuses on the location being below a surface, similar to the underside.

underneath the object

Specifies the position relative to an object, emphasizing the covered aspect.

on the lower part

A more general phrase that can replace "across the underside" in many contexts.

covering the bottom side

Emphasizes the action of covering the lower surface.

on the inferior side

A more formal way of saying "on the underside", suitable for technical contexts.

traversing the lower surface

Highlights movement or extension across the underside.

along the bottom

Indicates a path or direction following the underside.

at the bottom

Simplifies the phrase to indicate the lowest point or surface.

over the ventral area

A more technical or anatomical way to describe the underside, particularly for living organisms.

FAQs

How can I use "across the underside" in a sentence?

You can use "across the underside" to describe something that spans the lower surface of an object, like "Mould had spread across the underside of the mattress". Ensure the sentence clearly identifies what object's underside is being referenced.

What are some alternatives to saying "across the underside"?

Depending on the context, you could use alternatives like "on the bottom surface", "beneath the surface", or "on the lower part".

Is "across the underside" formal or informal language?

"Across the underside" is generally neutral and can be used in both formal and informal contexts. However, consider whether a simpler alternative like "underneath" might be more appropriate for casual writing.

When is it best to use "across the underside" instead of "under"?

Use "across the underside" when you want to emphasize that something extends or moves over the entire lower surface, rather than simply being located beneath it. For example, "wires running across the underside of the car".