Money given illegally to someone who does something for you. Also known as a bribe.
I had to give the passport official a kickback of $20 to give me the visa.
Kickbacks are forbidden in most countries, but still happen.
To move at the same speed as someone else.
My math class is really difficult. I cannot keep up with the other students.
The Canadian runner kept up with the Kenyan, but she did not win the race.
A person who breaks things and gets hurt easily.
My mother does not let me wash the dishes because she thinks I am a klutz.
Ouch! I am such a klutz…I just burned my finger.