Adverb
left and right (not comparable)
(Canada, US) All over the place; indiscriminately; frequently or excessively.
You can't expect to eat desserts left and right and not gain weight.
left-and-right
The human brain has left and right brain symmetry with its own nature and can process information which initially appears to have no pattern or order. However, the brain has the ability to process visual information much more efficiently. Tony Buzan
When the brain is whole, the unified consciousness of the left and right hemispheres adds up to more than the individual properties of the separate hemispheres. Roger Wolcott Sperry
Most women are pragmatists who have allowed extremists on the left and right to manipulate the family issue for their own purposes. Christopher Lasch
I think my basic viewpoint is that everything the left and right say about each other is true. And the reason it's true is because they have so much in common. Bob Black
Normal linear note taking and writing will put you into a semi-hypnotic trance, while mind mapping will greatly enhance your left and right brain cognitive skills. Tony Buzan
Since the end of the Cold War, America has been grasping left and right for an identity. Matt Taibbi