1. a colorless oily liquid chemical compound used in insect repellents to protect skin and clothing from mosquitoes, ticks, and other biting insects
Usage: also known as N,N-diethyl-meta-toluamide; commonly found in commercial insect repellent products

Examples

• I applied deet to my arms and legs before hiking in the woods.
• This mosquito spray contains 20% deet, which provides effective protection.
• Deet is one of the most widely used active ingredients in insect repellents.
• The dermatologist recommended using a product with deet for the camping trip.
• Many travelers pack deet-based repellent when visiting tropical regions.