Simple Definition of tinderbox
: a box that holds material that can be used to start a fire easily : a container for tinder
: a structure that would burn very quickly if it caught on fire
: a place or situation that could suddenly become very violent
Full Definition of tinderbox
1a : a metal box for holding tinder and usually a flint and steel for striking a sparkb : a highly inflammable object or place
2 : a potentially explosive place or situation
Examples of tinderbox in a sentence
That old house is really a tinderbox.
<the city has been a tinderbox ever since racial profiling became an issue>
First Known Use of tinderbox
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