Sheer/ʃɪr/ Definition 1 of 5Pro Tip 1/3Emotional Intensity Used to emphasize the strength of an emotion or a quality without any mixture. His apology was met with sheer indignation. Pro Tip 2/3Unmixed Quality Indicates purity of a quality or condition, without any additional elements. The sheer simplicity of the design was stunning. Pro Tip 3/3Absolute Certainty Shows that there is no doubt or possibility of something being mingled. It's sheer coincidence that we met here.