Spineless sort is a term used to describe a person or creature that lacks courage or strength. The two crossword solutions for this term are WIMP (4 letters) and JELLYFISH (9 letters). WIMP is an informal term used to describe someone who is weak, timid, or cowardly. JELLYFISH, on the other hand, is a type of aquatic invertebrate that has no backbone and is known for its soft and gelatinous body. Both terms can be used to describe someone who is spineless.