Thesaurus.com
Dictionary.com
Definitions

inefficient

[in-i-fish-uhnt] / ˌɪn ɪˈfɪʃ ənt /


Frequently Asked Questions

What is another word for inefficient?
Inefficient is a way of saying that something (or someone) works in a way that wastes effort or energy—in other words, that it’s not efficient. This isn’t always easy to boil down to one word. A process that’s considered inefficient could be described as wasteful, meaning that it could get the same (or an even better) result with less effort or resources. Processes that are efficient are sometimes described as economical—meaning they maximize results with minimum resources or effort. In this way, something that’s inefficient could be described as uneconomical. You could indicate that a process is inefficient by saying that it involves too many steps. You could imply that a machine is inefficient by saying that it doesn’t run as smoothly as it should. Old appliances are called inefficient when they use way more energy to perform the same functions as more efficient ones. You could imply that a person is inefficient in the way they’re completing a task or doing an activity by saying that they’re doing unnecessary work or exerting more effort than they need to. Sometimes, instead of saying that something is inefficient, you could say that it suffers from inefficiency.
What is an example of something that’s inefficient?
All kinds of things can be described as inefficient, including:
  • Machines, such as a gas-guzzling car or an old washing machine that uses up a lot of energy. Rube Goldberg machines are intentionally inefficient and overly complicated.
  • People, such as a worker who completes tasks in roundabout ways or a runner who exerts unnecessary energy during each stride.
  • Processes, such as a project that uses more of the budget than it needs to or involves more employees than is necessary.
  • Institutions and organizations. People often accuse the government of being inefficient. An inefficient business is one that uses more resources than are necessary to operate.
How do you use inefficient in a sentence?
Inefficient is commonly used. It can describe people, machines, systems, and institutions, among other things. Here are some examples of inefficient in a sentence: 
  • Without my monitor and mouse, I can still get work done, but I’m really inefficient—it takes me an hour to do what usually takes 10 minutes!
  • Some people say that the government is too inefficient and should be run like a business. 
  • My car is so inefficient—it only gets 8 miles to the gallon.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In each start, Skubal has been inefficient, he’s been searching for his command.

From Los Angeles Times Aug. 17, 2026

Fewer than four decades ago Estonia, Latvia and Lithuania regained their independence but inherited inefficient factories from the Soviet Union's command economy.

From Barron's Aug. 2, 2026

“Baby steps,” he said, avoid risk but won’t fix inefficient workflows.

From The Wall Street Journal Jul. 20, 2026

But it was built on an increasingly inefficient and debt-ridden economy, which meant that the rapid process of privatisation, when it came, was brutal and led to mass unemployment.

From BBC Jun. 29, 2026

Their timing was all off, their pulls weak and inefficient.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown




Vocabulary lists containing inefficient


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training