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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
supposed to define
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'supposed to' is correct and usable in written English.
You can use it to express an expectation or assumption about something. For example: "I'm supposed to be at work by 8am."
✓ Grammatically correct
News & Media
Science
Alternative expressions(17)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
28 human-written examples
That is supposed to define those hours.
News & Media
They're supposed to define a creed and establish boundaries.
News & Media
They did not have the thing that is supposed to define them: control.
News & Media
Özil was supposed to define the endgame of the late Wenger years.
News & Media
"The terms are supposed to define what are otherwise very nebulous concepts," he said.
News & Media
It will not thrive, either, his critics contend, by shedding the principles supposed to define it.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
For instance, let us suppose to define the local probability (P_l^{* rightarrow Y}) to become a cheater begin{aligned} P_l^{*rightarrow Y}(i,j = displaystyle frac{n^{c}_{l}(i,j)}{N_l} end{aligned} (19 where (n^{c}_{l}(i,j)) is the number of people (including himself) which are the neighbors of individual (i, j) who are already cheaters.
Science
Which is one way, I suppose, to define Los Angeles exceptionalism.
News & Media
Here f is supposed to be defined on a q-geometric set (Asubset mathbb{R}) for which (qtin A) whenever (tin A); see [3 11].
Here f is supposed to be defined on a q-geometric set A ⊂ R, for which q t ∈ A whenever t ∈ A, see [3 10].
Here f is supposed to be defined on a q-geometric set (Asubset{mathbb{R}}), for which (qtin A) whenever (tin A).
Expert writing Tips
Best practice
Use "supposed to define" when indicating a generally accepted expectation, purpose, or function. It's useful when describing roles, responsibilities, or intended outcomes.
Common error
Avoid using "supposed to define" when describing factual, verifiable information. It's better suited for expectations or planned outcomes, not established truths.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "supposed to define" functions as an infinitive phrase indicating a prescribed or anticipated role, function, or purpose. Ludwig AI confirms its common usage across diverse contexts, expressing expectations or intended outcomes.
Frequent in
News & Media
40%
Science
30%
Formal & Business
10%
Less common in
Academia
7%
Encyclopedias
7%
Wiki
6%
Ludwig's WRAP-UP
The phrase "supposed to define" is a common and grammatically correct infinitive phrase used to indicate a normative expectation or intended purpose. Ludwig AI confirms its widespread use across contexts like News & Media and Science. It is best used to express what something is expected to do based on a general agreement or plan. Alternatives such as "meant to define" or "intended to define" can be used for subtle variations in meaning. When writing, avoid using "supposed to define" for factual certainties; reserve it for expectations or planned outcomes.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
meant to define
Replaces 'supposed' with 'meant', suggesting a purpose or intention rather than an expectation.
intended to define
Substitutes 'supposed' with 'intended', highlighting a planned or deliberate action.
expected to define
Replaces 'supposed' with 'expected', emphasizing anticipation or prediction.
designed to define
Changes 'supposed' to 'designed', focusing on the intended function or design.
purported to define
Uses 'purported' instead of 'supposed', suggesting a claim or assertion that may or may not be true.
claimed to define
Replaces 'supposed' with 'claimed', indicating an assertion that may be subject to doubt.
ought to define
Substitutes 'supposed' with 'ought', expressing a moral obligation or duty.
should define
Replaces 'supposed to' with 'should', suggesting a recommendation or advice.
set to define
Uses 'set' instead of 'supposed', implying a planned or scheduled action.
destined to define
Replaces 'supposed' with 'destined', indicating a predetermined or inevitable outcome.
FAQs
How can I use "supposed to define" in a sentence?
Use "supposed to define" when indicating an expected function or role. For example, "The constitution is supposed to define the rights of citizens".
What's the difference between "supposed to define" and "intended to define"?
"Supposed to define" suggests a general expectation, while "intended to define" emphasizes a specific plan or intention. The first can be understood as more generic compared to the second.
What are some alternatives to "supposed to define"?
You can use alternatives like "meant to define", "expected to define", or "designed to define" depending on the specific context.
Is it grammatically correct to say "supposed to defined"?
No, "supposed to defined" is grammatically incorrect. The correct form is "supposed to define", where "define" is the base form of the verb.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested