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
by obligation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by obligation" is correct and usable in written English.
It can be used to indicate that something is required or necessary due to a duty or responsibility. Example: "She attended the meeting by obligation, even though she had other commitments."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
20 human-written examples
Pity the veggie burger, consumed almost exclusively by obligation.
News & Media
Attacks were fuelled by obligation now, not optimism.
News & Media
For years, Wimbledon's fans seemed more enthusiastic by obligation than pro-Murray to the core.
News & Media
Yet it was by choice — not by obligation — that Napier ended up there.
News & Media
Admittedly, I was motivated as much by curiosity as by obligation.
News & Media
I am connected because I want to be, not by obligation.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
We were guided by obligations that are imposed by the Football Association and also as an employer".
News & Media
L. 86 251 struck out "in the form of notes" after "represented by obligations" in proviso.
Academia
Mr Whalen contends that BofA is, in essence, a healthy operating bank buried by obligations tied to Countrywide.
News & Media
Women in particular, less bound by obligations to work state-controlled jobs, dominate North Korea's countless urban and rural marketplaces.
News & Media
"I think it's mainly people who know the agency but are no longer constrained by obligations to the president.
News & Media
Expert writing Tips
Best practice
Use "by obligation" when you want to emphasize that an action is being performed because of a sense of duty, responsibility, or requirement rather than by choice. Be mindful of the context to ensure it appropriately conveys the reason for the action.
Common error
Avoid using "by obligation" when the action is driven by personal desire or preference. Instead, use phrases that reflect personal motivation or willingness.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by obligation" functions primarily as an adverbial phrase, modifying a verb or clause to indicate the reason or motivation behind an action. As shown by Ludwig, it specifies that something is done not willingly, but because of a duty or requirement.
Frequent in
News & Media
60%
Science
20%
Encyclopedias
10%
Less common in
Formal & Business
5%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "by obligation" is a prepositional phrase used to indicate that an action is performed because of a duty, responsibility, or requirement. As Ludwig AI confirms, it is grammatically correct and can be used to clarify that an action is not voluntary. While relatively uncommon, the phrase appears in a variety of sources, ranging from news articles to scientific publications, showing its versatility. When using "by obligation", ensure the context clearly reflects a sense of duty rather than desire. Alternatives such as "out of necessity" or "due to duty" may provide more specific nuance, but are semantically close.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
out of necessity
Emphasizes the unavoidable nature of the action.
by necessity
Highlights that something is essential.
due to duty
Highlights the moral or ethical imperative.
out of a sense of duty
Highlights the personal feeling of having to do something.
under compulsion
Implies external pressure or force.
from a legal standpoint
Refers to a legal requirement
as a requirement
Focuses on a rule or condition that must be met.
mandatorily
Emphasizes that something is legally or officially required.
because it's required
States the action is done because something needs to be done.
as a matter of course
Indicates that an action happens routinely or as an expected part of a process.
FAQs
How can I use "by obligation" in a sentence?
You can use "by obligation" to indicate that something is done out of duty rather than desire. For example, "She attended the event "by obligation", not because she wanted to."
What are some alternatives to "by obligation"?
Alternatives include phrases like "out of necessity", "due to duty", or "under compulsion", depending on the specific nuance you want to convey.
Is it better to say "by obligation" or "out of obligation"?
Both "by obligation" and "out of obligation" are grammatically correct, but "by obligation" is generally more concise. The choice depends on the context and desired emphasis. Consider rephrasing with alternatives to obligation for clearer meaning when possible.
What's the difference between "by obligation" and "by choice"?
"By obligation" indicates an action is performed because it's required, while "by choice" indicates an action is performed willingly. For instance, "He participated "by obligation", not by choice."
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested