This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A metal box for holding tinder.

n. A potentially explosive place or situation: referred to the crowded prison as a tinderbox of suppressed violence.

n. A small container containing flint, steel, and tinder (dry, finely-divided fibrous matter), once used to help kindle a fire.

n. a place that is so dry and hot that there is danger of fire.

n. a potentially dangerous situation.

n. a dangerous state of affairs; a situation that is a potential source of violence

n. a box for holding tinder

"George Clooney travelled to Sudan as part of an international effort to defuse the short term tinderbox of a controversial poll."

situation    box   

tinder-box    reconfiguration    destabilization    Kelley    chert