asymmetrical

adjective

asym·​met·​ri·​cal ˌā-sə-ˈme-tri-kəl 

variants or asymmetric

ˌā-sə-ˈme-trik 

1

: having two sides or halves that are not the same : not symmetrical

an asymmetrical design

asymmetrical shapes

2

usually asymmetric of a carbon atom : bonded to four different atoms or groups

asymmetrically

ˌā-sə-ˈme-tri-k(ə-)lē 

adverb

Examples of asymmetrical in a Sentence

Recent Examples on the Web

The Changtai Yangtze River bridge has an asymmetrical lower deck with a 124 miles per hour (200 km per hour) railway on one side, and the regular local road on the other. —Abhishek Bhardwaj, Interesting Engineering, 11 Sep. 2025

The Oscar-winning actress wore an asymmetrical dress with a statement bow. —Julia Teti, Footwear News, 10 Sep. 2025

Known for her sharp, irregular, and asymmetrical pieces, sometimes appearing almost woven, Rae-Smith has seen her aesthetic evolve, and even copied. —Tiana Randall, Forbes.com, 9 Sep. 2025

Ashlee Simpson slayed in an all-black look featuring a cutout top and frayed asymmetrical hem. —Jackie Fields, PEOPLE, 8 Sep. 2025

Word History

Etymology

Greek asymmetria lack of proportion, from asymmetros ill-proportioned, from a- + symmetros symmetrical

First Known Use

1690, in the meaning defined at sense 1

Phrases Containing asymmetrical

• asymmetrical digital subscriber line

Rhymes for asymmetrical

• diametrical
• geometrical
• unsymmetrical
• metrical
• obstetrical
• symmetrical
• trigonometrical

Kids Definition

asymmetrical

adjective

asym·​met·​ri·​cal ˌā-sə-ˈme-tri-kəl 

variants or asymmetric

-trik 

: not symmetrical

asymmetrically

-tri-k(ə-)lē 

adverb

asymmetry

(ˈ)ā-ˈsim-ə-trē 

noun

Medical Definition

asymmetrical

adjective

asym·​met·​ri·​cal ˌā-sə-ˈme-tri-kəl 

variants or asymmetric

-trik 

1

: not symmetrical

2

usually asymmetric, of a carbon atom : bonded to four different atoms or groups

asymmetrically

-tri-k(ə-)lē 

adverb