| volatile definitions |
| # | Definition | Sets |
| 1 | quickly changeable, easily vaporized | 63 sets |
| 2 | (adj.) highly changeable, fickle; tending to become violent or explosive; changing readily from the liquid to the gaseous state | 53 sets |
| 3 | explosive | 31 sets |
| 4 | changeable | 29 sets |
| 5 | easily aroused or changeable; lively or explosive | 27 sets |
| 6 | unstable | 27 sets |
| 7 | readily changing to a vapor; changeable; fickle; explosive | 23 sets |
| 8 | highly unstable; explosive | 23 sets |
| 9 | changeable; explosive; evaporating rapidly | 20 sets |
| 10 | highly changeable, fickle; tending to become violent or explosive; changing readily from the liquid to the gaseous state | 19 sets |
| 11 | highly changeable | 18 sets |
| 12 | tending to vary often or widely | 16 sets |
| 13 | liable to lead to sudden change or violence | 15 sets |
| 14 | easily arouse or changeable; lively or explosive | 15 sets |
| 15 | potentially unstable | 14 sets |
| 16 | adj. tending to vary widely; unstable; quickly evaporating | 14 sets |
| 17 | quick to evaporate; highly unstable; explosive | 13 sets |
| 18 | evaporating quickly | 12 sets |
| 19 | adj. changeable. | 12 sets |
| 20 | changeable. | 12 sets |
| 21 | highly unstable, explosive | 11 sets |
| 22 | tending to vary widely; unstable; quickly evaporating | 11 sets |
| 23 | unstable, erratic | 10 sets |
| 24 | easily aroused; tending to erupt in violence | 10 sets |
| 25 | unstable; explosive | 10 sets |
| 26 | highly changeable , fickle; tending to become violent or explosive; changing readily from the liquid to the gaseos state | 10 sets |
| 27 | quickly changeable | 10 sets |
| 28 | easily aroused; tending to erupt in violence. | 9 sets |
| 29 | stable, steady, static, inert, dormant | 8 sets |
| 30 | tending or threatening to break out into open violence | 8 sets |
| 31 | unstable, explosive | 8 sets |
| 32 | dangerously unstable; evaporates easily | 7 sets |
| 33 | highly changeable, fickle; tending to become violent or explosive; changing readily from the liquid to the gaseous state *syn* unstable, erratic *ant* stable, steady, static, inert, dormant | 7 sets |
| 34 | easily changeable, quick to explode | 7 sets |
| 35 | unpredictable | 7 sets |
| 36 | highly unstable | 7 sets |
| 37 | changeable inconstant fickle unstable explosive | 7 sets |
| 38 | adj. changing rapidly into vapour | 6 sets |
| 39 | (adj) highly changeable; tending to become violent; changing readily from the liquid to the gaseous state | 6 sets |
| 40 | explosive; tending to evaporate quickly | 6 sets |