Spreading out is a term used to describe the process of extending or expanding something in a particular direction. The crossword solutions for this term are EXTENSION (9 letters), SPLAYING (8 letters) and RADIAL (6 letters). EXTENSION refers to the act of increasing the length, area, volume, or scope of something. Splaying is the act of spreading out or extending something in a fan-like shape. RADIAL describes something that is arranged in a circular pattern around a central point.