Tackifying means making something sticky or adhesive, especially by adding a substance.
Tackifying is about making things stick together. It's like making things gluey or gummy.
Examples:
The glue is tackifying the paper.
She is tackifying the surface with a special spray.
The workers are tackifying the material to make it stick better.
The tackifying substance made the surface super sticky.
The tackifying process made the tape extra strong.
The tackifying material is like magic glue!