propel

to push forward (for example, "The shove propelled me into the hallway."

Something being propelled

What are three different ways to propel a two-wheeled vehicle?

propeller

a device with a hub in the middle and twisted blades around it, which is used to make a boat, airplane or helicopter move

Four different things being propelled by propellers

pulse

1. a throbbing beat (such as the one caused by the heart pushing blood through the arteries and veins, )
2. to throb or move in rhythm

Something pulsing

What are two things besides a heart which have a pulse?

expel

to push out or away, often permanently, either from a place or from a group. Cars expel exhaust from their engines,through the exhaust pipe; you can expel air from your lungs; a person can be expelled from groups, schools, or organizations and not allowed to participate.

Something being expelled from something

What are two examples of something besides a person being expelled?

repel

To prevent something from approaching; to keep something back from you. Bug repellant keeps bugs away; if something smells or looks bad it may repel you from it. Ions of the same charge repel each other, and the same poles of magnets do the same.

Something repelling something else.

What are three things that repel you?

compel

To push someone or something to do something. You may be compelled to pay taxes because of the law.

Someone being compelled to do something

What are two things someone might say if they were being compelled to do something?

impel

To get something going, whether getting a thing moving or a person to do an action, especially by convincing a person that it's "the right thing to do." (if you're compelled to do something, it's because of an outside force like the law; if you're impelled to do something, you feel inside yourself that you have to do it.)

Someone being impelled to do something

What are two things someone might say if they were impelled to do something?

repulsive

Tending to repel, especially by causing aversion or disgust. Serving cold spinach in jello with ketchup would be repulsive to many people.

Something repulsive

What are three repulsive things you could serve for lunch?

compulsion

an irresistible urge to do something that doesn't really make sense. Some people have a compulsion to check their locks or wash their hands again and again and again.

What are two reasons compulsions can be inconvenient or annoying?

impulsive

Likely to do whatever one gets the urge to do, right away. An impulsive person will speak out before thinking about what s/he's saying, or buy things without thinking about whether it's a good idea or not.

Someone doing something impulsive

What are three things an impulsive person might do?

dispel 

To drive away or scatter away; to dispel a myth or a rumor is to show that it's wrong. For example, you could dispel any rumors that you had moved to the moon by showing up and visiting people.

Why is it hard to dispel rumors?

compulsory 

Required by rules or regulation; taking English class is compulsory in most American schools. "Compulsory attendance" at school means the law requires you to go. Driver's education is not compulsory in most schools.

What are two things that are compulsory in your life, and two things that are not?