Knowledgeable about is the most common and natural pattern for topics. Knowledgeable in appears in some formal contexts for fields or areas of expertise.
Knowledgeable about is the standard choice when talking about subjects, facts, or activities. Knowledgeable in can appear in formal or technical contexts to describe expertise within a field, but it is less common.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use knowledgeable about for general subjects, activities, and areas of information.
Knowledgeable in is used mainly in formal or professional contexts for fields of expertise.
About is natural when discussing what someone knows regarding a person, event, or situation.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
About is usually more natural for ordinary subjects and interests.
✕ She is knowledgeable in cooking techniques. ✓ She is knowledgeable about cooking techniques.Add about or in plus a topic to show what the knowledge concerns.
✕ The candidate is knowledgeable. ✓ The candidate is knowledgeable about digital marketing.Knowledgeable is an adjective describing expertise, not awareness at a moment.
✕ I am knowledgeable that the meeting changed. ✓ I know that the meeting changed.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Yes. It is used mainly in formal or professional contexts for fields of expertise.
Knowledgeable about is more natural and widely used for most topics.
Yes. You can say someone is knowledgeable about a person, organisation, or historical figure.
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