In the following examples, a preposition has been added to the beginning of a verb, giving it more specific meaning.

 bypass—to go around a city to avoid the downtown traffic
If you are in a hurry, you can bypass Philadelphia by taking the al  

downgrade—to lower in quality or status
They downgraded her job, so she is looking for another one.   

download—to add software to a computer
She downloaded a new program this morning.   

outdo—to surpass
She is very ambitious; she wants to outdo everybody.    

outlaw—to make illegal
They have outlawed smoking in many public places.                 

outpace—to go faster
The men outpaced the boys right from the beginning of the race.                      

overcome—to conquer
She overcame her shyness and made a lot of friends.                

overdo—to work too hard
After the operation, the doctor told him not to overdo it.                        

overtake—to reach and then surpass
We knew him when he was just learning to dance, but he overtook us and is now a professional.                     

overturn—to change from a negative situation to a positive one
There has been a big overturn in the school system.                 

overwhelm—to surprise in the extreme
The teacher was overwhelmed by the party the students gave in her honor.   

undercut—to succeed by offering a lower price than one's competitors
Discount stores usually undercut the department stores.                        

update—the latest news
Do you have an update on the hurricane?   

upgrade—to raise in quality or status
She is earning more money because they upgraded her job.         

withdraw—to stop participating
It is a shame you have to withdraw from the class.   

withhold—keep money that will be owed to you at a later date
The government withholds part of your salary for income tax.                

In the following expressions, prepositions are used in the form of verbs.   

to ''up" something—to increase something
I wish I had bought that coat last year; they have upped the price.
The gym workout is getting easier; it's time to up the weights on the machines.   

to "down" something—to drink something very fast
After the race, he downed four glasses of water.

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