Used and loved by millions
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
must side with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must side with" is correct and usable in written English.
It can be used when expressing a necessity to support or align with a particular person, group, or idea in a discussion or argument. Example: "In this debate, I must side with those advocating for environmental protection."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
must comply with
must contend with
must reckon with
must cope with
must match with
must start with
must align with
must correspond to
must speak with
must run with
must respond with
must bid with
must end with
must be in accordance with
must wrestle with
must agree with
must lie with
must act with
must begin with
must change with
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
11 human-written examples
He must side with the former.
News & Media
I must side with her for similar reasons.
News & Media
Menu semantics often raise the blood pressure of diners, but I must side with Mr. Gutenbrunner.
News & Media
It concedes that the judges must side with Mr. Bahlul at this stage because of the earlier ruling in the other case, but argues that the earlier ruling was wrong.
News & Media
Since Platini holds one of the votes, and has said he will vote no, that means six of the other seven members must side with Blatter to ensure the testing continues.
News & Media
"Do you realise Jim Morrison had his last three-way on this plane?" Perhaps to reveal myself as a tragic hippy, I must side with Fictional Gram Parsons when he describes the Joshua Tree like "wild silver and furious gold".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
For the Robbins compleatist, they're both a must, side by side with Lawrence's.
News & Media
Those men and women won her the Ohio and Pennsylvania primaries, and for the logic of her campaign to hold, they must again side with her in Indiana, where polls suggest the race could be tight.
News & Media
Hence they can only be corrected by conscious reasoning, and in a conflict between reason and emotions, one must always side with the former.[6] The chief Objectivist virtues are rationality, integrity, honesty (with self and others), justice, independence, productiveness, and pride.
Science
Chillingly, he does: even at a young age, he's aware that Assad's parents must have sided with the Pakistan authorities during the war of independence that raged for eight months in 1971.
News & Media
The sauce must be able to flow into any accompanying veg – veg which must be served sideby side with the pie.
News & Media
Expert writing Tips
Best practice
When using "must side with", ensure the context clearly indicates why taking a side is necessary or justified. Providing a rationale enhances the persuasiveness of your statement.
Common error
Avoid using "must side with" in situations where neutrality or compromise is more appropriate. Overstating the need to take a side can alienate others or undermine your credibility.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must side with" functions as a phrasal verb expressing a strong obligation or necessity to support a particular entity or viewpoint. As shown by Ludwig, this indicates a clear alignment or endorsement is required.
Frequent in
News & Media
63%
Science
27%
Encyclopedias
9%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "must side with" is a phrasal verb indicating a strong obligation or necessity to support a particular entity or viewpoint. Ludwig AI confirms its grammatical correctness and common usage in News & Media, Science, and Encyclopedias. While "must side with" is grammatically correct, it's crucial to consider the context to ensure its usage aligns with the intended message and audience. It is important to use the phrase judiciously, recognizing when neutrality or compromise is more fitting. Alternatives like "has to support" or "needs to align with" can be considered based on the specific context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has to support
Replaces "must side with" with a more direct expression of obligation and support.
needs to align with
Indicates a requirement to agree or coordinate with a specific stance or entity.
is compelled to favor
Suggests an obligation or strong pressure to support one side over another.
is required to back
Emphasizes the necessity of providing support to a particular entity or cause.
should take the side of
Implies a recommendation or moral imperative to support a certain party.
ought to stand with
Suggests a moral obligation to support or defend a specific person or group.
is bound to support
Highlights a contractual or moral commitment to provide assistance or endorsement.
is obliged to advocate for
Emphasizes a duty to actively promote or defend a particular cause or group.
has no choice but to endorse
Suggests a lack of alternatives, necessitating the support of a specific entity.
is duty-bound to defend
Highlights a strong moral or legal obligation to protect and support a specific entity.
FAQs
How can I use "must side with" in a sentence?
Use "must side with" to express a strong need to support or align with a particular person, group, or idea. For example, "In this debate, I "must side with" those advocating for environmental protection."
What are some alternatives to "must side with"?
You can use alternatives like "has to support", "needs to align with", or "is compelled to favor" depending on the specific context and nuance you want to convey.
When is it appropriate to use "must side with"?
It is appropriate when there is a clear need to express your support for a particular side, often in situations involving disputes, debates, or decisions where choosing a side is essential.
What's the difference between "must side with" and "should side with"?
"Must side with" implies a stronger obligation or necessity, while "should side with" suggests a recommendation or moral imperative but not necessarily an absolute requirement. The former conveys a stronger sense of compulsion.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested