Synthetic/sɪnˈθetɪk/ Definition 1 of 4Pro Tip 1/3Indicates Man-made Use 'synthetic' to specify an object is created by humans, particularly in industries. He preferred synthetic fibers over cotton for outdoor clothing. Pro Tip 2/3Cost Considerations 'Synthetic' often implies a cheaper alternative to natural products. Synthetic gemstones have become popular due to their affordability. Pro Tip 3/3Environment Aspect Products labeled 'synthetic' may be viewed as less eco-friendly. Activists argue synthetic pesticides harm the environment more than natural ones.