fastest

1.

เร็วที่สุด

moving or capable of moving at high speed.

:
•
a fast and powerful car
:
speedyquickswiftrapidbrisknimblesprightlylivelyfast-movinghigh-speedturbosportyacceleratedexpressflyingwhirlwindblisteringbreakneckpell-mellmeteoricsmarthastyhurriedunhesitatingexpeditiousfleet-footednippyzippyspankingscorchingblindingsupersoniccrackingfleettantivyvolant
:
slow
2.

เร็วที่สุด

(of a clock or watch) showing a time ahead of the correct time.

:
•
I keep my watch fifteen minutes fast
1.

เร็วที่สุด

at high speed.

:
•
he was driving too fast
:
quicklyrapidlyswiftlyspeedilybrisklyat speedat full tiltenergeticallyhastilyhurriedlyin a hurryposthastepell-mellexpeditiouslylike a shotlike a flashin a flashin the blink of an eyein a winkin a triceon the doubledouble quickhell for leatherlike madlike crazylike the winda mile a minutelike a bat out of helllickety-splitapace
:
slowly
2.

เร็วที่สุด

so as to be hard to move; securely.

:
•
the ship was held fast by the anchor chain
:
securelytightlyfirmly