Answer: fastest

AnswerCrossword Clue
FASTESTMost celeritous
fastestick to learn a class for fast students
fastestparting quickness of motion a fast bowler
fastestquired with unusually little effort and often by shady or dishonest methods had a keen eye for a fast buck R. A. Keith
fastestking a comparatively short time
fastestcording to or being daylight saving time
fastestfirmly fixed roots fast in the ground
fastestFAST, able to move quickly
fastestcomplished quickly
fastestable movable items were made fast to the deck
FASTESTLike many an Olympic gold medalist
FASTESTGuiness Book category
FASTESTRacing champ
FASTESTCheetah, compared to other animals
FASTESTMost firmly secured
FASTESTRace winner
FASTESTTops in celerity
FASTESTMost secure
FASTESTMost loyal
FASTEST"He travels the ... who . . . "
FASTESTAdjective for Kauai King.
FASTESTMost rapid.
FASTESTGuinness adjective
FASTESTLike a race winner
FASTESTFirst to the finish line
FASTESTAdjective for an Olympian
FASTESTLike the cheetah, among all land animals
FASTESTLeast time-consuming
FASTESTMost fleet
FASTESTLeast sluggish