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
be discarded of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'be discarded of' is not correct or usable in written English.
There is no particular situation where this phrase can be used. Instead, the phrase 'be discarded' is the correct form, as in the example sentence: "The expired food products should be discarded immediately."
⚠ May contain grammatical issues
Science
News & Media
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
3 human-written examples
Gracilis and semitendinosus tendons were harvested from leftover tissue that would otherwise be discarded of eight donors (six males, two females; mean age 31.1 ± 10.9 years) who underwent anterior cruciate ligament reconstruction.
After reconstitution, the vaccine must be discarded of within 6 hours due to risks of potency loss and contamination.
Science
As observed in the careful review carried out by Kuno [ 7], the possibility cannot be discarded of the dengue virus having been introduced in other locations in the city due to intra-urban human mobility and/or the flow of travelers.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Consequently, a large portion of target genes will be discarded because of the relatively high TM.
Science
Should the map be discarded because of its Catholic symbolism?
News & Media
But we don't always know what is useful and what can be discarded, because of our emotional attachments.
News & Media
One slide had to be discarded because of quality issues.
Science
No sample had to be discarded because of DNA degradation.
Science
The haplotype CAC had to be discarded because of only two occurrences.
The more recent name, Brontosaurus, would be discarded in favor of the older one.
News & Media
A national curriculum that lauds Victorian ethics will be discarded in place of higher considerations.
News & Media
Expert writing Tips
Best practice
Always use the correct form, "be discarded", without the extra "of". For instance, "Expired medications should be discarded" is grammatically sound.
Common error
Many writers mistakenly add "of" after "discarded", creating a grammatically incorrect phrase. Always double-check to ensure you're using "be discarded" without the extraneous preposition.
Source & Trust
81%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be discarded of" is intended to function as a passive verb construction, indicating that something is being disposed of or eliminated. However, it is grammatically incorrect. Ludwig AI states it is incorrect.
Frequent in
Science
33%
News & Media
33%
Wiki
33%
Less common in
Formal & Business
0%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "be discarded of" is grammatically incorrect and should be avoided in formal writing. Ludwig AI confirms this assessment. While some examples may appear in various sources, the correct form is "be discarded". It's advisable to use alternatives such as "be disposed of" or "be thrown away" to ensure grammatical accuracy. Though it appears mostly in scientific contexts, its incorrect usage undermines its credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
be disposed of
Uses 'disposed' instead of 'discarded' with the correct preposition 'of'.
be thrown away
Replaces 'discarded' with 'thrown away' to convey the same meaning.
be gotten rid of
Employs 'gotten rid of' for a more informal way of saying something is removed.
be eliminated
Suggests a formal removal or eradication.
be removed
Simple and direct replacement indicating extraction or detachment.
be rejected
Implies non-acceptance or refusal, with the sense of something being cast aside.
be scrapped
Used when something is deemed useless and is discarded, especially in industrial contexts.
be abandoned
Suggests that something is left behind or deserted, implying neglect.
be relinquished
Formally gives up or releases something.
be ceded
Conveys the act of surrendering or yielding something, often territory or rights.
FAQs
What is the correct way to use "discard" in a sentence?
The correct way is to use "be discarded" without the "of". For example, "The damaged items should be discarded immediately" is correct.
Is "be discarded of" grammatically correct?
No, "be discarded of" is grammatically incorrect. The correct form is "be discarded".
What can I say instead of "be discarded of"?
You can use alternatives like "be disposed of", "be thrown away", or "be eliminated".
What is the difference between "be discarded" and "be discarded of"?
"Be discarded" is grammatically correct and means to throw something away or get rid of it. "Be discarded of" is grammatically incorrect and should not be used.
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
81%
Authority and reliability
1.8/5
Expert rating
Real-world application tested