The phrase "go secretly" refers to moving or traveling in a covert or stealthy manner. There are several synonyms for this phrase, such as sneak, tiptoe, creep, slip, slink, and skulk. Sneak implies moving quietly and without being seen, while tiptoe suggests walking on the balls of your feet to avoid making noise. Creep is used to describe a slow and cautious movement, while slip is used to indicate a quick and sudden getaway. Slink and skulk both refer to moving in a secretive and furtive manner, often with negative connotations. Overall, there are many different synonyms that can be used to describe someone going secretly depending on the context and intention behind the movement.