Definitions:

1. A cosmetic product designed to enhance and beautify the appearance of the fingernails and toenails, typically a liquid that is applied onto the nails, and then hardens as it dries, creating a colored, glossy, protective coating. NOUN
   • The quick-drying nail varnish allowed her to resume her activities almost immediately.
2. A cosmetic product that comes in liquid form and is applied with a small brush. NOUN
   • The new nail varnish offers a chip-resistant formula for longer-lasting wear.
3. A cosmetic product used to color and protect fingernails and toenails. NOUN
   • She applied a bright red nail varnish for the evening party.

Synonyms:

• nail enamel
• nail lacquer
• nail polish