un·​sym·​met·​ri·​cal | \ ˌən-sə-ˈme-tri-kəl How to pronounce unsymmetrical (audio) \

Definition of unsymmetrical

Keep scrolling for more

Other Words from unsymmetrical

unsymmetrically \ ˌən-​sə-​ˈme-​tri-​k(ə-​)lē How to pronounce unsymmetrically (audio) \ adverb

Examples of unsymmetrical in a Sentence

Recent Examples on the Web The system used helium as a pressurizing gas, inhibited nitrogen tetroxide for an oxidizer, and a blended hydrazine fuel made up of a mixture of around 50 percent unsymmetrical dimethyl hydrazine and 50 percent anhydrous hydrazine. Alex Hollings, Popular Mechanics, "The Art of the Return Trip: How NASA Got Apollo 11 Home," 24 July 2019 This shrinking market has opened the door to the Angara rocket, which has the advantage of not using environmentally hazardous fuel for each of its stages—Proton engines used nitrogen tetroxide and unsymmetrical dimethylhydrazine. Eric Berger, Ars Technica, "Russia’s Proton rocket, which predates Apollo, will finally stop flying," 25 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unsymmetrical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unsymmetrical

1755, in the meaning defined above

Keep scrolling for more

Learn More about unsymmetrical

Time Traveler for unsymmetrical

Time Traveler

The first known use of unsymmetrical was in 1755

See more words from the same year

Statistics for unsymmetrical

Cite this Entry

“Unsymmetrical.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/unsymmetrical. Accessed 21 January 2020.

More from Merriam-Webster on unsymmetrical

Rhyming Dictionary: Words that rhyme with unsymmetrical

Comments on unsymmetrical

What made you want to look up unsymmetrical? Please tell us where you read or heard it (including the quote, if possible).


good-natured easy friendliness

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!