Absorb/əbˈzɔːrb/ Definition 1 of 5Pro Tip 1/2Physical Absorption Think of 'absorb' as a sponge that draws in liquids or feelings like shock. The fabric will absorb your sweat. Pro Tip 2/2Not Always Visible 'Absorb' can refer to things you can't see, like heat, light, or sound. This material absorbs sound well.