let us define

USAGE SUMMARY

The phrase "let us define" is correct and usable in written English.
You can use it in any formal or informal written context to introduce a definition. For example, you could write, "Let us define the term 'synchronicity' as the meaningful coincidence of inner and outer events."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Let us define (2.3).

Journal of Inequalities and Applications

Let us define it.

Journal of Inequalities and Applications

Let us define, where.

Journal of Inequalities and Applications

Let us define and.

Journal of Inequalities and Applications

Let us define as.

Journal of Inequalities and Applications

Now let us define.

Journal of Inequalities and Applications

First, let us define risk management.

Forbes

Let us define the map.

Journal of Inequalities and Applications

Now, let us define (2.29).

Boundary Value Problems

Let us define the following.

Boundary Value Problems

Let us define for all.

Fixed Point Theory and Applications

Expert writing Tips

Best practice

Use "let us define" when you want to clearly signal that you are about to introduce a specific definition, particularly in academic or formal writing.

Common error

Avoid starting multiple consecutive sentences with "let us define". Vary your sentence structure to maintain reader engagement; sometimes a direct definition is more impactful.

Linguistic Context

The phrase "let us define" functions as an introductory expression, signaling the intention to provide a precise meaning for a term or concept. It sets the stage for a definition, as supported by Ludwig's examples.

Expression frequency: Very common

Frequent in

Science

69%

News & Media

16%

Formal & Business

15%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "let us define" is a grammatically sound and frequently used expression for introducing a definition, particularly in formal and academic writing. As Ludwig AI confirms, it's a straightforward and clear way to signal your intention to provide a specific meaning for a term. While highly prevalent in scientific and technical contexts, remember to vary your sentence structure to avoid overuse. For less formal situations, consider using "let's define".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

let's define

Slightly more informal contraction of "let us".

we will define

More formal and direct statement of intent.

we define

Straightforward declaration of a definition.

by definition

Focuses on the inherent nature of something.

to define

Infinitive form, often used within a larger sentence structure.

consider the definition of

Proposes a more in-depth consideration of a definition.

for the purpose of this discussion, we define

Specifies the scope and context of the definition.

in this context, we define

Emphasizes the relevance of the definition to a specific situation.

it is defined as

Passive voice, shifting the focus away from the definer.

we can characterize it as

Offers a description or explanation instead of a strict definition.

FAQs

How can I use "let us define" in a sentence?

"Let us define" is typically used to introduce a term or concept. For example, "Let us define the term 'algorithm' before proceeding further."

What are some alternatives to "let us define"?

You can use alternatives such as "let's define", "we will define", or "we define" depending on the formality of the context.

Is "let us define" formal or informal?

"Let us define" is generally considered more formal than its contracted version, "let's define". Both are suitable for academic and professional contexts.

When should I use "we will define" instead of "let us define"?

Use "we will define" when you want to make a more direct statement of intent to define something. "Let us define" has a slightly more inviting tone.