| Main Entry: | |
| Part of Speech: | noun |
| Definition: | explosive situation |
| Synonyms: | loose cannon, time bomb |
| Main Entry: | loose cannon |
| Part of Speech: | noun |
| Definition: | unpredictable person |
| Synonyms: | powder keg, time bomb |
| Main Entry: | powder horn |
| Part of Speech: | noun |
| Definition: | powder flask |
| Synonyms: | powder barrel, powder keg, powder magazine |
| Main Entry: | time bomb |
| Part of Speech: | noun |
| Definition: | bomb with a timer |
| Synonyms: | infernal machine, powder keg, time fuse |