tinder
nounUK /ˈtɪn.dər/
US /ˈtɪn.dɚ/
Dry material that catches fire easily and is used to start a fire.
He used dry grass as tinder to start the campfire.
OTHER MEANINGS
2. Something that is easily set on fire or that helps spread a fire.
The old wooden shed was tinder for the spreading flames.
3. Something that causes strong feelings or conflict to grow quickly.
His angry words were tinder for the argument that followed.
4. A dating app where people swipe to meet others.
She met her partner on Tinder last year.