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Synonyms

impractical

American  
[im-prak-ti-kuhl] / ɪmˈpræk tɪ kəl /

adjective

  1. not practical or useful.

  2. not capable of dealing with practical matters; lacking sense.

  3. idealistic.

  4. impracticable.


impractical British  
/ ɪmˈpræktɪkəl /

adjective

  1. not practical or workable

    an impractical solution

  2. not given to practical matters or gifted with practical skills

    he is intelligent but too impractical for commercial work

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • impracticality noun
  • impractically adverb
  • impracticalness noun

Etymology

Origin of impractical

First recorded in 1860–65; im- 2 + practical

Explanation

Something impractical is difficult or impossible to achieve. It might sound like a great idea, but it's not going to happen. It's just not practical. Impractical ideas make no sense or just can’t be done. Heels so high you have a fish swimming in them are cool, but very impractical. Trying to drive from New York to California in four hours, which could never happen, is impractical. Something impractical is not likely to work. Practical ideas are feasible, but impractical ideas are based on wishful thinking. When someone tells you an idea is impractical, she’s saying, "Get real."

Keep Reading on Vocabulary.com

Vocabulary lists containing impractical

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.

The neighbors weren’t unsympathetic, nor were they impractical.

From Slate • Mar. 25, 2026

In rare diseases and advanced cancer, such demands can be impractical, ethically dubious and less informative than carefully analyzed real-world evidence.

From The Wall Street Journal • Mar. 17, 2026

Yet real world adoption has lagged, largely because the hardware required to power these displays has been bulky and impractical.

From Science Daily • Mar. 4, 2026

Along with complaints about the building’s size, the Geffen Galleries’ heavy use of concrete had been criticized as an impractical choice for hanging art.

From Los Angeles Times • Feb. 5, 2026

I helped Deborah pack too, and she also wanted her prettiest, most impractical outfits.

From "How Dare the Sun Rise" by Sandra Uwiringiyimana