The term 'least spicy' can be defined as having the mildest, tamest, or blandest flavor. The crossword solutions for this term are MILDEST (7 letters), TAMEST (6 letters), and BLANDEST (8 letters). MILDEST refers to something that is not strong or intense in flavor, while TAMEST implies a lack of excitement or intensity. BLANDEST suggests a lack of flavor or taste. All three words refer to something that is not spicy or flavorful.