Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A small cask for holding gunpowder or other explosives.
- n. A potentially explosive situation or thing.
Wiktionary
WordNet 3.0
- n. a potentially explosive state
- n. keg (usually made of metal) for gunpowder or blasting powder
Examples
“No bound man seated on a powder keg ever watched the last few minutes of sputtering fuse with half the mesmerised fascination, the totally-exclusive concentration with which I stared at that hamster.”
““I have thrown the Turks into the powder keg and kindled war between Russia and Turkey,” Souchon wrote to his wife.”
Lists
These user-created lists contain the word ‘powder keg’.
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AbraxasZugzwang's Words
atavism, abraxas, sisyphean, frust, fetus-in-fetu, arhythmically, queef, epidemiology, abecedarian, troglodyte, chiaroscuro, philology and 631 more...
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Tuesday words
just the next words that come along
nasality, transignification, lapsarian, disciple, slanguage, atwitter, avast, ahoy, asleep, awake, hymnody, glissade and 573 more...
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Powder Fun
This is one useful word.
powder, powder magazine, powderhorn, powderpuff, powder burn, powder barrel, powder keg, powder room, powder monkey, powderless, powder paper, powderize and 48 more...
Tweets
Looking for tweets for powder keg.

abraxaszugzwang My love is like a powder keg.
My love is like a powder keg in the corner
of an empty warehouse
Somewhere just outside of town
About to burn down
~The Mountain Goats Feb 13, 2007