Answer:

jellyfish

Answer	Crossword Clue
JELLYFISH	Tentacled stinger
JELLYFISH	Spineless one
JELLYFISH	Wishy-washy sort

JELLYFISH	Indecisive person
JELLYFISH	Spineless sort
JELLYFISH	Spineless sea creature
JELLYFISH	Tentacled sea creature
JELLYFISH	Portuguese man-of-war

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.