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
hereinafter defined terms
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "hereinafter defined terms" is correct and usable in written English. You can use it in legal, formal, or technical documents to refer to terms that will be defined later in the text. Example: "The parties agree to the following terms, hereinafter defined terms, for the duration of the contract." Alternative expressions include "terms defined later" and "terms as defined herein."
✓ Grammatically correct
Academia
Science
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
707, defined terms.
Academia
804, defined terms.
Academia
1524, defined terms.
Academia
1343, defined terms used in this subpart.
Academia
923, defined terms for this part.
Academia
1748, defined terms used in this subchapter.
Academia
147, defined terms used in this subchapter.
Academia
697, defined terms used in this subchapter.
Academia
1230, defined terms for this subchapter.
Academia
Sustainability is not a clearly defined term.
News & Media
The area within the boundary of the National Area shall be divided into two categories; namely, the gorge areas and adjacent areas as hereinafter defined.
Academia
Expert writing Tips
Best practice
Reserve this construction for highly formal or legal documents; in standard business communication, prefer simpler alternatives like 'the following terms' or 'terms defined below'.
Common error
Do not combine 'hereinafter' with other future-pointing words like 'later' or 'subsequently' (e.g. avoid 'hereinafter defined terms later'). The adverb 'hereinafter' already contains the meaning of 'later in this document', making additional time-markers redundant and cluttered.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hereinafter defined terms" acts as a complex noun phrase where the compound modifier 'hereinafter defined' provides specific locational and functional context to the head noun 'terms'. According to Ludwig, this structure is a hallmark of formal referential language, ensuring that readers understand where the authoritative definitions are located within a text.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "hereinafter defined terms" is a robust, albeit highly formal, linguistic tool used to signal forthcoming definitions. While Ludwig shows no exact 100% matches in the provided dataset, the constituent parts—'hereinafter defined' and 'defined terms'—appear frequently in prestigious legal and scientific sources such as Cornell University and various BMC journals. Ludwig AI confirms that the phrase is grammatically correct and appropriate for professional contracts or technical specifications. For modern writers who wish to avoid 'legalese', replacing it with "terms defined below" can maintain clarity while improving readability. Ultimately, it remains an effective choice for ensuring precise referential integrity in complex documentation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
terms defined below
Uses a simpler adverbial direction instead of the formal legalism.
terms as defined herein
A very common legal equivalent that refers to definitions within the document.
the following defined terms
Shifts focus to the list that follows immediately.
terms defined hereafter
Uses the synonym 'hereafter' which functions similarly in formal prose.
definitions set forth below
Uses more formal verbal construction 'set forth'.
terms specified later
A more neutral and less legalistic version suitable for general writing.
definitions provided in this section
Narrows the scope of the reference to a specific structural unit.
terms as described below
Slightly less precise as it uses 'described' instead of 'defined'.
defined terms
The core noun phrase without the locational adverb.
hereinafter described items
Changes the noun from 'terms' to 'items', common in technical specs.
FAQs
How do I use "hereinafter defined terms" in a legal sentence?
In a formal agreement, you might write: 'The parties agree to abide by the conditions and the "hereinafter defined terms" set forth in Section 4.' This signals that the specific meanings will follow.
What can I say instead of "hereinafter defined terms" in a standard report?
You can use clearer, less archaic alternatives like "terms defined below" or "the following definitions".
Is "hereinafter defined terms" considered old-fashioned?
Yes, it is considered 'legalese'. While perfectly correct in a court or contract setting, it may seem unnecessarily stiff in modern professional or academic writing compared to "terms specified herein".
Which is more common: "hereinafter defined terms" or "terms defined hereinafter"?
The structure "terms defined hereinafter" is slightly more frequent in modern scientific and academic papers because it places the noun first, though both are acceptable in formal registers.
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