WordReference Random House Unabridged Dictionary of American English © 2017
- resembling tinder;
highly inflammable or inflammatory.
- tinder + -y1 1745–55
- any dry substance or material that easily catches fire.
- 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.
- bef. 900; Middle English; Old English tynder; akin to German Zunder, Old Norse tundr, Old English -tendan (as in ātendan to set on fire), Gothic tundnan to catch fire, German -zünden in entzünden to kindle