The crossword solution for the term 'ADD TINSEL TO' is TRIM. This means that the job description is to add tinsel to something and then TRIM it. This could be used to decorate a Christmas tree, or to add a festive touch to any other item. Tinsel is a type of decoration made from thin strips of metallic material, often used to create a shimmering effect. Trimming involves cutting away excess material to give the desired shape or size.