Spineless one
Else clues• Indecisive person
• Portuguese man-of-war
• Spineless sea creature
• Spineless sort
• Stinging swimmer
• Tentacled sea creature
• Tentacled stinger
• Wishy-washy sort
• Large siphonophore having a bladderlike float and stinging tentacles
• Any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans