1. pre- and post- Vocabulary Words (prefixes)

2.  before. pre-

3.  An introductory part that comes before something.  Before I read a novel, I always like to read the preface so I understand the basis of the story.  Parts of speech: (noun, verb) preface

4.  To pass judgment beforehand.  I've been in so many situations now that I don't prejudge people or situations before I get to know them.  Part of speech: (verb) prejudge

5.  of or pertaining to the time or a period prior to recorded history.  The dinosaur is a prehistoric beast that roamed the earth many, many years ago.  Part of speech: (adjective) prehistoric

6.  to consent or agree to beforehand.  Mrs. Bolter had to preapprove the topic for my research paper before I started the research process.  Part of speech: (verb) preapprove

7.  an action taken to avoid a dangerous or undesirable event before it occurs  Make sure to follow the safety precautions in the book to avoid an unwanted situation.  Part of speech: (noun) precaution

8.  after post-

9.  to be or occur at a later date than  Brad postdated his check for rent so that it would not be cashed until that date.  Part of speech: (verb) postdate

10.  coming after or following another; behind  The injury was located on the posterior of the torso, below the shoulder blade.  Part of speech: (adjective) posterior

11.  to put off to a later time  Due to the inclement weather, we will have to postpone our softball game to a later date.  Part of speech: (verb) postpone

12.  After the game.  A few of us have decided to go to the postgame party after the football game.  Parts of speech: (adjective, noun) postgame

13.  Those who come after; decendents  If family pictures are that valuable, you might want to consider investing in them for posterity's sake, so that future generations can enjoy them as well.  Part of speech: (noun) posterity