noun
- a highly flammable material or preparation formerly used for catching the spark from a flint and steel struck together for fire or light.
- any dry substance that readily takes fire from a spark.
noun
- dry wood or other easily combustible material used for lighting a fire
- anything inflammatory or dangeroushis speech was tinder to the demonstrators’ unrest
n.“dry, inflammable substance,” Old English tynder, related to tendan “to kindle,” from Proto-Germanic *tund- “ignite, kindle” (cf. Gothic tandjan, Swedish tända, German zünden).