Laid-back is an adjective that describes someone who is relaxed, easy-going, and not easily stressed or bothered. There are many synonyms for laid-back, including casual, mellow, carefree, calm, and chilled. Other synonyms include relaxed, easy, untroubled, nonchalant, and unhurried. Someone who is laid-back might also be described as laissez-faire, easy-come-easy-go, or happy-go-lucky. These words all convey a sense of calm, detachment, and a lack of worry or anxiety. Whatever the synonym, a laid-back attitude is generally considered desirable in many situations, as it can help reduce stress and improve overall well-being.