a playful trick or joke
prank
to keep from carrying out a plan or reaching a goal
frustrate
a person who has finished a course of study
graduate
to speak strongly for something: to argue in favor of something
urge
having nothing or no one in it; not filled; empty
vacant
a strong feeling of wanting to do something; a strong wish
urge
special force put on a word or part of a word
stress
the chance of getting hurt or suffering loss or failure
risk
to finish a course of study and receive a diploma
graduate
to take a chance on being hurt or losing something
risk
demanding strength or energy; very active
vigorous
first in importance
primary
first in order
primary
a plan or drawing that shows how something works
diagram