The most common and most likely answer to this crossword clue is the 8 letter word ERUPTIVE which also is the latest solution we found used in Wall Street Journal in 2019.
Formed by volcanic activity crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| ERUPTIVE | 100 % | 8 |
Words with a meaning similar to the clue: Formed by volcanic activity
These words may or may not be a possible solution to this crosswords clue.- pyroclastic
- eruptive
- breccia
- alphonsus
- pozzuoli
- bentonite
- caldera
- tufa
- maar
- tuff
- volcano
- obsidian
Crossword Answer definitions
ERUPTIVE noun- An eruptive rock, one produced by eruption.
- That erupts or bursts forth.
- Accompanied by eruptions.
- Produced by eruption.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution