1. (noun) a showy decoration that is basically valueless

• decoration
• ornament
• ornamentation

2. (noun) a thread with glittering metal foil attached

• thread
• yarn

3. (verb) impart a cheap brightness to

• add
• bestow
• bring
• contribute
• impart
• lend

4. (verb) adorn with tinsel

• adorn
• beautify
• decorate
• embellish
• grace
• ornament

5. (verb) interweave with tinsel

• interweave
• weave

1. (noun) a showy decoration that is basically valueless

• clinquant
• tinseled
• tinselly

2. (noun) a thread with glittering metal foil attached

• clinquant
• tinseled
• tinselly