fast in Czech
fast in Czech
rychlý
Moving with great speed, or capable of doing so; swift, rapid. [from 14th c.]
hluboký
Deep or sound (of sleep); fast asleep (of people). [16th–19th c.]
rychle
Quickly, with great speed; within a short time [from 13th c.].
postit
(transitive, sciences) To cause (a person or animal) to abstain, especially from eating.