bidirectional

adjective

bi·​di·​rec·​tion·​al ˌbī-də-ˈrek-sh(ə-)nəl 

-dī-

: involving, moving, or taking place in two usually opposite directions

bidirectional flow

bidirectional replication of DNA

bidirectionally adverb

Examples of bidirectional in a Sentence

Recent Examples on the Web

The Evotrex is also able to more directly increase range using its bidirectional charging capability. —New Atlas, 13 Jan. 2026

Disorders of Gut-Brain Interaction The brain and the gut are connected via a bidirectional (two-way) communication system. —Amber J. Tresca, Verywell Health, 6 Jan. 2026

Polestar announced recently that owners of the Polestar 3 in the US will now be able to use new bidirectional charging features that link the electric SUV with their homes. —Sujita Sinha, Interesting Engineering, 19 Nov. 2025

That eliminates the extra noise associated with the original H9's bidirectional mic. —PC Magazine, 10 Nov. 2025

Word History

First Known Use

1889, in the meaning defined above

Rhymes for bidirectional

• intersectional
• affectional
• correctional
• directional
• inflectional
• multidirectional
• omnidirectional
• unidirectional
• sectional

Kids Definition

bidirectional

adjective

bi·​di·​rec·​tion·​al ˌbī-də-ˈrek-sh(ə-)nəl 

-dī-

: involving, moving, or taking place in usually two opposite directions

Medical Definition

bidirectional

adjective

bi·​di·​rec·​tion·​al ˌbī-də-ˈrek-shnəl, -dī-, -shən-ᵊl 

: involving, moving, or taking place in two usually opposite directions

bidirectional flow of materials in axons

bidirectional replication of DNA

bidirectionally

-ē 

adverb