The term 'least wild' can be described by two crossword solutions: 'tamest' and 'sanest'. Tamest is an adjective meaning 'showing no spirit or liveliness; dull and subdued'. Sanest is an adjective meaning 'having or showing good judgment; sensible'. Both words describe a lack of wildness, but in different ways. Tamest implies a lack of energy or enthusiasm, while sanest implies a lack of recklessness or impulsiveness.