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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
competent of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "competent of" is not correct and should not be used in written English.
The correct phrase is "competent at" or "competent in." For example, "The engineer is competent at troubleshooting complex machines".
⚠ May contain grammatical issues
News & Media
Science
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
33 human-written examples
High speed rail is an important competent of Australia's infrastructure future.
News & Media
Women are adult human beings who are perfectly competent of deciding what happens to their bodies.
News & Media
As late as 1991, Mamet maintained that it was "the most structurally competent" of his plays.
News & Media
Also an Assessment Experience Questionnaire (AEQ) that is competent of measuring students' learning response has been presented.
Not surprisingly, they tend to finance the most competent of the researchers, which poses a conundrum for the science editor, Laura Chang.
News & Media
His supporters say that Mr. Lee, who would be the country's first president from the corporate world, should not be judged by another era's ethical standards and that he remains the most competent of candidates.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
27 human-written examples
CrMPK3/CrMPK3 K69R in binary construct were used for transformation of competent cells of Agrobacterium tumefaciens strain GV3101.
Science
The competency of chemically competent AQ3625 cells was lower than that of competent DH5α cells, in all cases of chemically competent cell preparations using the three different methods.
Make them appear to their manager as the competent ruler of their part of the kingdom.
News & Media
The standard required is that of any other competent member of the trade in question.
News & Media
The biological role of AI-2 competent strains of C. jejuni is still unclear.
Science
Expert writing Tips
Best practice
Always use "competent at" or "competent in" instead of "competent of". For example, say "She is competent in data analysis" or "He is competent at project management".
Common error
Avoid using "of" after "competent". The correct prepositions are "at" for skills and activities, and "in" for areas of knowledge or expertise.
Source & Trust
86%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "competent of" functions as an adjective phrase intended to describe someone's ability or skill. However, it's grammatically incorrect. Ludwig indicates that the correct usage involves prepositions like "at" or "in" instead of "of".
Frequent in
Science
30%
News & Media
40%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "competent of" is commonly found, but grammatically incorrect. As Ludwig AI points out, the correct usage is "competent at" or "competent in". While the intention is to express someone's ability or skill, using the wrong preposition undermines the clarity and professionalism of your writing. Remember to replace "competent of" with phrases like "capable of", "skilled at", or "proficient in" to ensure grammatical correctness and clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
capable of
Replaces "competent" with "capable", maintaining the meaning of having the ability or skill to do something.
skilled at
Shifts the preposition from "of" to "at", which is grammatically correct when describing skill in a particular area.
proficient in
Uses "proficient" as a synonym for "competent", paired with the correct preposition "in".
adept at
Similar to "skilled at", "adept at" emphasizes a high level of skill and is grammatically sound.
qualified for
Indicates that someone has the necessary qualifications or training for a task.
experienced in
Highlights practical experience as the basis for competence.
well-versed in
Implies a thorough knowledge and understanding of a subject.
masterful at
Suggests a very high level of competence, approaching mastery.
accomplished in
Similar to proficient but emphasizes a sense of achievement and developed skill.
effective at
Focuses on the ability to produce a desired result, linking competence to practical outcomes.
FAQs
What prepositions should I use with "competent"?
Use "competent at" for skills or activities, and "competent in" for areas of knowledge. For instance, you might be "competent at" coding or "competent in" financial analysis.
Is it grammatically correct to say "competent of"?
No, the phrase "competent of" is not considered grammatically correct in standard English. The correct options are "competent at" or "competent in".
What are some alternatives to "competent of" that I can use?
Instead of "competent of", you can use phrases like "capable of", "skilled at", or "proficient in", depending on the specific context.
How does using the wrong preposition with "competent" affect my writing?
Using "competent of" instead of "competent at" or "competent in" can make your writing sound unpolished and may confuse readers, as it deviates from standard English usage.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
2.8/5
Expert rating
Real-world application tested