This shows grade level based on the word's complexity.
ultrafast
[ uhl-truh-fast, -fahst ]
/ ˌʌl trəˈfæst, -ˈfɑst /
Save This Word!
This shows grade level based on the word's complexity.
adjective
extremely fast: ultrafast computers.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachImprove Your Writing
Words nearby ultrafast
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use ultrafast in a sentence
Myriad ultrafast projects have been proposed over the years.
Amtrak's Boss Has a Plan to Make You Love Trains Again. Will it Work?|Patrick Lucas Austin|May 3, 2021|TimeStanton paused imperceptibly before answering, while his ultrafast mind considered the problem and arrived at a decision.
Anything You Can Do|Gordon Randall GarrettStanton paused imperceptibly before answering, while his ultrafast mind considered the problem before arriving at a decision.
Anything You Can Do ...|Gordon Randall Garrett
British Dictionary definitions for ultrafast
ultrafast
/ (ˈʌltrəˌfɑːst) /
adjective
extremely fastan ultrafast internet connection
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012