(mathematics) A line on a scatter plot that best defines or expresses the trend shown in the plotted points. It is chosen so that the sum of the squares of the distances from the points to the line is a minimum. It also illustrates the correlation (positive, negative, or zero correlation) between the plotted variables.

(of a garment) Designed to be worn with comfort by people with a wide range of sizes. / (figuratively, often derogatory) Suitable for a wide range of tastes, opinions, situations, etc.

Alternative form of could be written on the back of a postage stamp

Synonym of activewear