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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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was invalid

Grammar usage guide and real-world examples

USAGE SUMMARY


The phrase "was invalid" is grammatically correct and is a commonly used expression in written English. You can use it to describe an action or decision that is not legally or officially accepted. For example, "The visa application was invalid due to insufficient documentation."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

As you discovered, it was invalid.

News & Media

Independent

The high court held that that decision was invalid.

LU claims the union's industrial action ballot was "invalid".

News & Media

The Guardian

Apotex had argued that Sanofi's patent was invalid.

News & Media

The New York Times

All seven high court judges found the cap was invalid.

News & Media

The Guardian

The government in Madrid said the poll was invalid.

News & Media

The Economist

He claims the ruling was invalid as no hearing took place.

News & Media

The Guardian

KSR argued that Teleflex's patent was invalid because the combination of the two elements was obvious.

News & Media

The New York Times

The court upheld an earlier decision that said Eli Lilly's patent on the drug was invalid.

News & Media

The New York Times

The judge could have giggled when Belichick's lawyers claimed his contract was invalid.

Last year, a relative accused Ibrahim of adultery, saying her marriage to a Christian was invalid.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

When using "was invalid", ensure the context clearly explains why something is not valid. Be specific about the reason to avoid ambiguity.

Common error

Avoid using "was invalid" without providing context or explanation. Saying 'the agreement was invalid' without stating why can confuse the reader. Instead, specify the reason: 'The agreement was invalid because it lacked the required signatures'.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "was invalid" functions as a predicate adjective, describing the state or condition of a subject as not being valid. As Ludwig AI confirms, this phrase is commonly used to express that something lacked legal or official recognition at a certain point in time.

Expression frequency: Very common

Frequent in

News & Media

63%

Science

19%

Encyclopedias

5%

Less common in

Formal & Business

2%

Wiki

1%

Reference

0%

Ludwig's WRAP-UP

The phrase "was invalid" is a common and grammatically correct expression used to indicate that something lacked validity or legitimacy at a particular time in the past. As confirmed by Ludwig AI, it functions as a predicate adjective and is most frequently found in news and media, science, and encyclopedia contexts. When using this phrase, it's best practice to provide context explaining why something was not valid. If you are seeking alternatives, phrases like "was not valid" or "was null and void" can be used depending on the specific nuance you wish to convey.

FAQs

What's a simple way to use "was invalid" in a sentence?

You can use "was invalid" to describe something that isn't legally or officially accepted. For example, "The parking ticket was invalid because the meter was broken".

What can I say instead of "was invalid"?

Alternatives include "was not valid", "was null and void", or "was not legitimate", depending on the specific context.

Is it correct to say "is invalid" instead of "was invalid"?

Yes, both are correct, but they convey different tenses. "Was invalid" refers to something that became invalid in the past, while "is invalid" refers to something that is currently invalid.

What makes something "was invalid"?

Something is "was invalid" when it fails to meet the necessary requirements, standards, or legal criteria at a specific point in the past. This could be due to errors, lack of authorization, or non-compliance with rules.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: