bipolar

adjective

bi·​po·​lar (ˌ)bī-ˈpō-lər 

1

: having or marked by two mutually repellent forces or diametrically opposed natures or views

2

a

: having or involving the use of two poles or polarities

bipolar generators

bipolar ECG leads

b

electronics : relating to, being, or using a transistor in which both electrons and holes (see hole entry 1 sense 1b(3)) are utilized as charge carriers (see carrier sense 2e)

3

: relating to, associated with, or occurring in both polar (see polar entry 1 sense 1a) regions

bipolar species of birds

4

psychology : being, characteristic of, or affected with a bipolar disorder

bipolar patients

bipolarity

ˌbī-pō-ˈler-ə-tē 

-ˈla-rə-

noun

bipolarization

(ˌ)bī-ˌpō-lə-rə-ˈzā-shən 

noun

bipolarize

(ˌ)bī-ˈpō-lə-ˌrīz 

transitive verb

Examples of bipolar in a Sentence

Recent Examples on the Web

Bodden, who was bipolar and schizophrenic, had been struggling for years, the letter says. —Ryan Oehrli, Charlotte Observer, 3 July 2024

Records obtained by Hoffmann's family and reviewed by the Journal Sentinel showed prison staff failed to provide his bipolar and antidepressant medications as prescribed more than three-quarters of the time in the two and a half months leading to his suicide. —Vanessa Swales, USA TODAY, 6 June 2024

But having a right-wing government in Chile was not really vital to American global credibility in a bipolar world, and the leftist government was not nearly enough of a security threat to justify abetting its overthrow. —Joseph S. Nye Jr., Foreign Affairs, 30 Nov. 2023

Within four months, Matt’s bipolar cycling had resolved, never to return. —David Baszucki, Baltimore Sun, 9 July 2024

Word History

First Known Use

1806, in the meaning defined at sense 2a

Phrases Containing bipolar

• bipolar disorder
• bipolar illness

Kids Definition

bipolar

adjective

bi·​po·​lar

(ˌ)bī-ˈpō-lər

1

: having or involving two poles

2

: having or marked by two mutually repellent forces or wholly opposed natures or views

3

: being, characteristic of, or affected with a bipolar disorder

bipolarity

ˌbī-​pō-​ˈler-​ə-​tē

noun

Medical Definition

bipolar

1 of 2 adjective

bi·​po·​lar

(ˈ)bī-ˈpō-lər

1

: involving or being electrodes or leads attached to two different bodily sites (such as the arms and legs) for recording the difference in electrical potential between the two sites

bipolar encephalograph leads

2

of a neuron : having an efferent and an afferent process

3

: being, characteristic of, or affected with a bipolar disorder

bipolar depression

bipolar patients

compare unipolar

bipolar

2 of 2 noun

: a person affected with bipolar disorder