The words that are the opposite of "most lionlike" would be meek, timid, weak, fragile, and vulnerable. While lionlike is defined as being fierce, powerful, and dominant in appearance, these antonyms signify the opposite traits. Meek implies being submissive and lacking in confidence, while timid implies being easily frightened or lacking courage. The words weak and fragile imply a lack of strength, whereas vulnerable implies being open to attack or harm. So, if one were to describe something or someone as the antonym of "most lionlike," they would be describing something or someone who is the complete opposite of boldness and strength.