Gel/dʒel/ Definition 1 of 3Pro Tip 1/3Cosmetic Use Gel is often used for personal care products that require controlled application without dripping. He styled his hair with strong-hold styling gel. Pro Tip 2/3Medical Application In medicine, gel aids in soothing or treating skin with a cooling sensation. Apply the burn gel carefully on the affected area. Pro Tip 3/3Texture Understanding Gels are semi-solid, can wobble but don't flow freely like liquids. The strawberry gel dessert jiggled on the plate.