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
complimentary registration
Grammar usage guide and real-world examplesUSAGE SUMMARY
It is correct and usable in written English.
You can use it to express that someone has received a complimentary (free) registration in an event, or a club or a program. For example: John recently received complimentary registration for an online photography course.
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(20)
free registration
no-cost registration
gratis registration
complimentary admission
waived registration fee
free entry
free access
additional entry
complimentary tuition
complimentary records
supplemental entry
free admission
complimentary enrollment
further registration
free of charge registration
complimentary entry
supplemental registration
additional registration
complimentary listing
supplementary entry
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
6 human-written examples
New Harvest is offering complimentary registration for any Media Lab students, staff, and affiliates who would like to learn more about cellular agriculture.
Complimentary registration for the Annual Meeting.
In addition to the prize funds, the winner receives a commemorative plaque, complimentary registration and reimbursement for reasonable travel and hotel expenses to attend the AAAS Annual Meeting in order to accept the prize at the Awards Ceremony.
Science & Research
Members also receive one complimentary registration to attend the AHA's spring science conference and council dinner coordinated by the Nutrition, Physical Activity and Metabolism Council (NPAM) and the Council on Epidemiology EPII).
News & Media
Recipient will receive: Opportunity to give a 10-minute lecture during a headache scientific session at the 64th Annual Meeting Certificate of recognition and $1,000 prize Complimentary registration for the Annual Meeting Recognition at the Awards Luncheon at the Annual Meeting.
Brenda notes that these speaking opportunities enable you to engage with prospective limited partners in attendance (many conferences have apps to connect attendees) or be proactive by extending invitations to investors you're interested in meeting (many conferences provide speakers with a complimentary registration).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Sponsors of the conference are entitled to a limited number of complimentary registrations to the conference and dinner.
Academia
To receive a complimentary newsletter, complete the registration form.
Academia
Registration is complimentary and includes hosted wine, beer and appetizers.
Academia
If you graduated in a non-milestone year, see below for events open to you! Complimentary with your Reunion registration.
Academia
Registration is complimentary.
Academia
Expert writing Tips
Best practice
When offering "complimentary registration", clearly state any conditions or limitations, such as deadlines or specific eligibility criteria.
Common error
Avoid assuming "complimentary registration" covers all associated costs. Clarify what the free registration includes (e.g., access to all sessions, materials) and excludes (e.g., travel, accommodation).
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "complimentary registration" functions as a noun phrase where "complimentary" modifies the noun "registration". Ludwig AI confirms its usability in written English for indicating free access to an event or service.
Frequent in
Academia
40%
News & Media
30%
Science
30%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "complimentary registration" is a grammatically correct phrase used to indicate free access to an event, service, or program. Ludwig AI analysis confirms its usability in various contexts, from academia to news and media. While "free registration" is a direct synonym, "complimentary registration" maintains a slightly more formal tone. When using the phrase, ensure clarity about what the free registration includes and any conditions that apply.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
free registration
Replaces "complimentary" with its direct synonym "free", emphasizing the no-cost aspect.
no-cost registration
Uses "no-cost" instead of "complimentary", providing a more explicit description of the registration's price.
free sign-up
Substitutes "registration" with "sign-up", a more informal term for the process.
gratis registration
Replaces "complimentary" with the less common but synonymous "gratis", adding a formal tone.
complimentary admission
Replaces "registration" with "admission", focusing on the access granted.
waived registration fee
Specifies that the registration fee is "waived", clarifying the cost exemption.
free entry
Uses "free entry" as an alternative to "complimentary registration", simplifying the phrase.
no-charge registration
Replaces "complimentary" with "no-charge", explicitly stating that there is no fee.
free access pass
Uses "free access pass" to indicate a pass that grants free access, changing the structure and vocabulary.
honorary registration
Implies that the registration is free because it is an honor or privilege to attend, but may not apply in all contexts.
FAQs
What does "complimentary registration" mean?
The phrase "complimentary registration" indicates that there is no charge for registering for an event, service, or program. It means that you can register for free.
What are some alternatives to "complimentary registration"?
You can use alternatives like "free registration", "no-cost registration", or "free sign-up" to convey the same meaning.
Is it correct to use "complimentary" instead of "free"?
Yes, "complimentary" and "free" are often used interchangeably, but "complimentary" has a more formal tone. Both can correctly describe a "complimentary registration".
What does complimentary registration include?
What "complimentary registration" includes depends on the specific context. It typically covers the basic access to the event or service, but it's important to check what is included, as it may not cover additional items such as travel, accommodation, or materials.
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