speediest
Quickest of all
Speediest is the superlative form of speedy—the fastest or quickest among a group: She took the speediest route to the airport.
It emphasizes maximum swiftness relative to alternatives: Of all the delivery options, this is the speediest.
Most rapid in speed
- fastestMost rapid of all
- lightningAtmospheric electrical discharge
- supersonicExceeding audio velocity
- hypersonicFaster than Mach five
breakneck · blazing · turbocharged · accelerated · meteoric · ultrafast · bullet · jet
Done with prompt efficiency
- promptIncite to action
- swiftMoving with speed
- hastyExcessively quick, ill-considered
- rapidMoving with haste
express · streamlined · aerodynamic · optimized · turnaround · deadline · rush · priority
Quick and light-moving
- fleetVehicles under unified command
- agileLimber and quick-moving
- briskQuick and invigorating
- sprightlyEnergetic and nimble
zippy · deft · lithe · spry · light-footed · dexterous · responsive · darting
Competition of speed
- sprintBrief maximum-speed effort
- marathonLong-distance footrace
- relayStage-by-stage transmission
- championshipCompetition for top rank
record · qualifying · timed · leaderboard · podium · medalist · triathlon · circuit
quickest
Most rapid in speed
- fastestMost rapid of all
- lightningAtmospheric electrical discharge
- supersonicExceeding audio velocity
hypersonic · breakneck · blazing · turbocharged · accelerated · meteoric · ultrafast · bullet · jet · rocket
expeditious
Done with prompt efficiency
rapid · express · streamlined · aerodynamic · optimized · turnaround · deadline · rush · priority · same-day
nimble
Quick and light-moving
sprightly · zippy · deft · lithe · spry · light-footed · dexterous · responsive · darting · scurrying
race
Competition of speed
championship · record · qualifying · timed · leaderboard · podium · medalist · triathlon · circuit · tournament