Shady (adjective)

1. Providing or being in a protected or partially sheltered area.
2. Having a reputation or association that is questionable or dubious.
3. Being or involving activities that are illegal or unethical.

Origin:

The word "shady" comes from the word "shade" which means a place or area that is protected or screened from the sun"s rays or direct light.

Examples:

1. The shady spot under the tree was a perfect place to relax.
2. The shady businessman was known for his unethical practices.
3. The shady deal was uncovered by the police.
4. The shady alley was avoided by the residents.
5. The shady company was blacklisted by the government.