least effective

USAGE SUMMARY

The phrase "least effective" is correct and usable in written English.
This phrase is used to describe something that is not very successful or efficient. For example, "The new product launch was the least effective of the year."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Least effective?

The New York Times

Why? Which were least effective?

The New York Times

Why? Which ones are the least effective?

The New York Times

Borax was least effective as a termiticide.

Industrial Crops and Products

The least effective parts are the most traditional.

The Guardian

(Ms. Morgan, though involved, was least effective at confidence).

The New York Times - Arts

promotion — but it has proved to be the least effective.

The New Yorker

"When he's least effective is when you ignore him".

The New York Times - Sports

That's the crudest and least effective strategy, in my view.

The Guardian - Tech

Friday's coup attempt was by far Turkey's least effective.

The Guardian

Legislation is probably the most divisive and least effective.

The New York Times

Expert writing Tips

Best practice

Consider using synonyms like "inefficient" or "unproductive" if they more accurately capture the specific type of ineffectiveness you're describing.

Common error

Avoid stating that something is the "least effective" without providing evidence or a comparison. Support your claim with data or reasoning to make it more convincing.

Linguistic Context

The phrase "least effective" functions as an adjective phrase that modifies a noun. It serves to qualify or describe something by indicating its relative lack of effectiveness compared to other options. Ludwig provides many examples to confirm its proper usage.

Expression frequency: Very common

Frequent in

News & Media

44%

Science

42%

Formal & Business

4%

Less common in

Wiki

2%

Academia

2%

Reference

0%

Ludwig's WRAP-UP

The phrase "least effective" is a common and grammatically correct way to describe something that performs worse than other options. As Ludwig AI confirms, its main function is to qualify and compare, highlighting a substandard performance for evaluation or improvement. While versatile, providing context and specifics are important for clarity. The phrase is primarily found in News & Media and Science contexts, suggesting its relevance in discussions requiring evaluation and analysis.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

not very effective

A more direct and simpler way of saying something is not effective.

least successful

Indicates a failure to achieve the desired outcome.

relatively ineffective

Implies that while not completely useless, it's not particularly effective.

most inefficient

Focuses on the inefficiency of something, rather than its lack of effectiveness.

least productive

Highlights the low level of output or results achieved.

least helpful

Emphasizes the lack of assistance provided.

weakest performing

Emphasizes poor performance compared to others.

minimally impactful

Stresses the small degree of influence or effect.

least potent

Highlights a lack of strength or power in producing an effect.

most inadequate

Focuses on the insufficiency or unsuitability of something.

FAQs

How can I use "least effective" in a sentence?

You can use "least effective" to describe a method, strategy, or approach that produces the worst results compared to others. For example: "Among the marketing campaigns, social media advertising proved to be the "least effective"."

What are some alternatives to "least effective"?

Alternatives include "most inefficient", "least successful", or "not very effective". The best choice depends on the specific context.

What's the difference between "least effective" and "ineffective"?

"Ineffective" means something doesn't produce the desired result. "Least effective" implies a comparison, indicating that among several options, one is the worst at achieving the desired result.

Is it always negative to describe something as "least effective"?

Yes, using "least effective" always carries a negative connotation as it denotes the poorest performance or outcome compared to other options. However, it can be constructive if used to identify areas for improvement.