Here are synonyms for each of the words you provided:
- Empty: vacant, devoid, unfilled
- Rush: hurry, hasten, sprint
- Reject: refuse, deny, dismiss
- Cold: chilly, cool, frigid
- Hidden: concealed, buried, obscured
- Buy: purchase, acquire, obtain
- Wide: broad, spacious, expansive
- Clever: smart, intelligent, astute
- Create: produce, generate, develop
- Fat: overweight, plump, corpulent
Let me know if you need more information!