left brain
noun
: the left cerebral hemisphere of the human brain especially when viewed in terms of its predominant thought processes (such as analytic and logical thinking)
left-brained
ˈleft-ˈbrānd 
adjective 
Example Sentences
Recent Examples on the Web It’s about finding the right balance between the left brain and right brain. 
Michelle Bank, Forbes, 12 Aug. 2022 In the past month, researchers at New York University Langone Health transplanted pig hearts into two people who had recently suffered catastrophic heart failure and were left brain dead but remained on life support. Evan Bush, NBC News, 12 July 2022 Mazariegos was left brain dead and had blunt force injuries, fractured ribs and internal bleeding after the attack, according to investigators. Jake Allen, The Indianapolis Star, 26 May 2022 In this scenario, fashion is the left brain to the also intangible right-brain world of the web. Vogue, 23 May 2022 User friendly depends on personalities, habits, left brain, right brain and other impossible-to-quantify factors. Gene Marks, Forbes, 22 Apr. 2022 Jenny Arden talks about her career in design as straddling two very distinct sides of the same coin: left brain and right, business and design. Nicole Gull Mcelroy, Fortune, 1 Mar. 2022 The thoughts come quickly as the right brain and left brain begin to interact. Ira Gostin, Forbes, 8 Nov. 2021 The left brain leverages our logical, analytical, intellectual and intuitive decisions and, ultimately, actions that lead to specific outcomes. Izabela Lundberg, Forbes, 8 Oct. 2021 See More
Michelle Bank, Forbes, 12 Aug. 2022 In the past month, researchers at New York University Langone Health transplanted pig hearts into two people who had recently suffered catastrophic heart failure and were left brain dead but remained on life support. Evan Bush, NBC News, 12 July 2022 Mazariegos was left brain dead and had blunt force injuries, fractured ribs and internal bleeding after the attack, according to investigators. Jake Allen, The Indianapolis Star, 26 May 2022 In this scenario, fashion is the left brain to the also intangible right-brain world of the web. Vogue, 23 May 2022 User friendly depends on personalities, habits, left brain, right brain and other impossible-to-quantify factors. Gene Marks, Forbes, 22 Apr. 2022 Jenny Arden talks about her career in design as straddling two very distinct sides of the same coin: left brain and right, business and design. Nicole Gull Mcelroy, Fortune, 1 Mar. 2022 The thoughts come quickly as the right brain and left brain begin to interact. Ira Gostin, Forbes, 8 Nov. 2021 The left brain leverages our logical, analytical, intellectual and intuitive decisions and, ultimately, actions that lead to specific outcomes. Izabela Lundberg, Forbes, 8 Oct. 2021 See More Word History
First Known Use
1827, in the meaning defined above
Medical Definition
left brain
noun
: the left cerebral hemisphere of the human brain especially when viewed in terms of its predominant thought processes (as analytic and logical thinking)