efficient at doing vs efficient in doing

Both 'efficient at doing' and 'efficient in doing' are commonly used English phrases. They're interchangeable and can be used depending on personal preference. There's no significant difference in meaning between them.

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Editor at TextRanch

Last updated: September 19, 2024 • 7388 views

efficient at doing

This phrase is correct and commonly used in English.

This phrase is used to describe someone's ability to do something well and with minimal waste of time or effort.

Examples:

She is efficient at solving problems.
He is efficient at managing his time.
They are efficient at completing tasks.

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And you've been very efficient doing the jobs I've asked you to do.
This is the difference between being effective - doing the right things - and being efficient - doing things well whether or not they're important.
The only efficient way of doing this is through common action.
This is a field where subsidiarity means that this matter must compulsorily be dealt with at European level which is the only efficient way of doing so.
Simplification is also needed in the monitoring of how funds are used, and outside audits seem to me to be the most efficient way of doing this.
More competitive does not mean more predatory but simply more efficient at using the resources actually available, and doing this better than everyone else.
Niels himself was so efficient at spreading the virus.
Those old shields weren't too efficient at blocking gamma-ray output.
Plus, we've gotten much more efficient at it.
So, basically, women are more efficient at killing.
The criteria furthermore aim at reducing the energy consumption from laundering by promoting products that are efficient at lower temperatures.
Plus, we've gotten much more efficient at it.
But the truth is we're way too efficient at catching them, and their stocks have collapsed worldwide.
And vice versa, the best care often turns out to be the least expensive - has fewer complications, the people get more efficient at what they do.
The profound modifications in fishing gear over recent decades has aimed at becoming ever larger and more efficient at catching fish.
My country's geographical situation is such that it is particularly important for us that transport be efficient at the same time as being safe.
We should make cooperation mechanisms more efficient at various levels and adapt the regulatory criteria to the current environmental and social situation.
MEPs also asked for simulators to be permitted in compulsory periodic training courses to update drivers, as simulators are efficient at reflecting the latest technological developments.
It is a law which is both employer-friendly as well as efficient at directing attention towards the 'safety culture' and practices required to save lives and reduce injuries.
The criteria furthermore aim at reducing the energy consumption from laundering by promoting products that are efficient at low temperatures.

Alternatives:

skilled at doing
proficient at doing
effective at doing
competent at doing
capable of doing

efficient in doing