Identity theft is the fastest-growing crime in the United States it costs society $4 to $5 billion a year.
Yes, "fastest" is a grammatically correct superlative form of the adjective "fast." It is used to show that something is the most speedy or quick in comparison to other items or entities.
FedEx is in there as one of the fastest to $1 Billion.
sony
Excel Communications did it in 8 years. The fastest ever.
Fed ex
Asia. Asia is the most fastest populating country/continent in the world. It has over 1.6 billion people in it.
In the sentence that you give, John was faster but Billy was the fastest, there are comparative adjectives, faster and fastest. The verb in this sentence is was. It is not a comparative verb, just a verb. An existential verb, to be precise.
Excel Communications
one billion and still growing!! the fastest-growing religon!!
groupon
A footrace will determine who is the fastest runner. I am trying to determine the answer.
Yes, Islam is the fastest growing religion in the world, and has between 1-1.4 billion followers!