An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a handle, but of many different forms and names for different uses; as, table knife, drawing knife, putty knife, pallet knife, pocketknife, penknife, chopping knife, etc..
A sword or dagger.
To cut or stab with a knife.
Tool with a sharp blade used for cutting tissue
a neutral object
an inanimate object
a pretty powerful object - it can be used to help or to cause harm
a terrible thing
a thing of extreme beauty but it can bite you in the ass if you mistreat it
a very personal thing