The most common and most likely answer to this crossword clue is the 5 letter word TOXIN which also is the latest solution we found used in USA Today in 1996.
Harmful substance crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| TOXIN | 100 % | 5 |
Words with a meaning similar to the clue: Harmful substance
These words may or may not be a possible solution to this crosswords clue.- poison
- toxin
- venom
- brain-damaged
- depression
- dystrophic
- major depressive disorder
- clinical depression
- depressive disorder
- dysthymia
- dysthymic
- seasonal depression
Crossword Answer definitions
TOXIN noun- A toxic or poisonous substance produced by the biological processes of biological organisms.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution