The most common and most likely answer to this crossword clue is the 4 letter word KELP which also is the latest solution we found used in Newsday in 2007.
Useful seaweed crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| KELP | 100 % | 4 | 
Words with a meaning similar to the clue: Useful seaweed
These words may or may not be a possible solution to this crosswords clue.- kelp
 - agar
 - ore
 - utricle
 - benefit
 - holdfast
 - advance
 - antalya
 - bottom
 - bottoms
 - cubism
 - decent
 
Crossword Answer definitions
KELP noun- Any of several large brown seaweeds (order Laminariales).
 - The calcined ashes of seaweed, formerly used in glass and iodine manufacture.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution