1. To cover something so that it cannot be seen or read. A noun or pronoun can be used between "blot" and "out." Be sure to blot out all the other names on this list before you put it in the employee's file.

2. To prevent something from being noticeable or entering one's awareness. A noun or pronoun can be used between "blot" and "out." Your curtains aren't opaque enough to blot out all of the sunlight.

3. To avoid thinking about something, often because it is stressful or traumatic. A noun or pronoun can be used between "blot" and "out." Many trauma victims try to blot out the horrific things that have happened to them.

4. To kill someone. A noun or pronoun can be used between "blot" and "out." Ray blotted out the informant, just as the boss told him to.

5. To completely destroy something. A noun or pronoun can be used between "blot" and "out." This illness threatens to blot out an entire generation. The fire blotted out all of our belongings.