Puzzle 4

Tough, exhausting

Helicopter's blade

Devise or create a strategy

Huckleberry Finn's creator

"Envelop young woman"; makeup brand

Venezuelan island and popular cocktail

To swing to and fro

Supreme ruler

Phoebe's hit song about a feline in Friends

Responsible for taking care of many animals

Revlon makeup line, for pigment with lasting power

Only musical instrument that starts with an X

Philanthropist and founder of Microsoft

An arranged first meeting

More important than anything else

A game where answers to clues are linked on a grid