fastest

/ˈfæstəst/
adverb
  1. At great speed; in the quickest manner.
    • He types fastest when he is not distracted.
    • The car goes fastest on the highway.
    • She ran fastest when she was being chased by the dog.
adjective
  1. Moving or able to move at great speed; quickest.
    • She was the fastest runner on the team and won every race.
    • The cheetah is the fastest land animal on Earth.
    • We need the fastest route to the airport to catch our flight.
  2. Taking the shortest amount of time; most rapid.
    • This is the fastest way to finish the project.
    • The fastest method to cook rice is using a pressure cooker.
    • He gave the fastest response to the emergency call.
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Antonyms
What does "fastest" mean? | whatsthatwordmean | whatsthatwordmean