The most serious of crimes against another human is the first-degree charge of murder.

The first or experimental version of new software is often called the beta version.

The constant biting or nibbling on a bone by a dog is to gnaw on something.

Ofter referred to the amount of money or property  a woman has prior to being married.

When learning about certain types of businesses or about a case study of one of them.

To be on the edge of something like a pool before you jump in at the brink. 

To gather together with a group of people or think about many things in your mind as mingling thoughts.

When you reach out for help and no one comes to your aid, you may feel helpless.

To contaminate something is to purposely cause an impurity of food for example.

A birthday is the yearly celebration of your day of birth.