Easy is one of the most commonly used words in English with multiple meanings:
1. Requiring little effort; not difficult
2. Free from worry or pain; comfortable
3. Not strict or severe; lenient
4. Readily exploited or tricked
5. (Slang) Used to tell someone to relax or calm down
6. (Music) Slow and relaxed in tempo
Common phrases: take it easy, easy does it, easy come easy go, easy peasy