Both unimpressed with and unimpressed by are standard. With often focuses on an experience or thing, while by often highlights the cause or person creating the impression.
Use unimpressed with for things, performances, or situations. Use unimpressed by especially for actions, behaviour, or people causing the reaction. In many contexts, both are possible.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use with for products, places, performances, and general experiences.
Use by when emphasising what caused the reaction.
At sometimes appears in British English, especially about reactions to events or behaviour.
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.
Both with and by are standard in modern English.
✓ We were unimpressed with the product.About is not the normal complement here.
✕ She was unimpressed about the film. ✓ She was unimpressed with the film.By highlights the source; with often focuses on the object or experience.
✓ They were unimpressed by his behaviour.At is less common and more regional.
✓ Most learners should prefer unimpressed with or unimpressed by.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. Both are common and often overlap in meaning.
Unimpressed by is especially natural when the focus is on a person's behaviour or performance.
Not usually. English normally uses with or by after unimpressed.
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