The phrase "putting tail between one's legs" is often used to describe someone who retreats or shows shame or submission. A few synonyms for this phrase include "cowering," "cringing," "bowed down," "humbled," and "defeated." All these words imply a sense of defeat or humiliation. Additionally, other similar phrases that can be used in place of the original expression are "tucking one's tail," "slinking away," and "running scared." Each of these phrases implies a sense of retreat, either physical or metaphorical. These synonyms can be used interchangeably to convey the same meaning and can add variety to one's language and writing.