Choose the perfect synonym or antonym for the word

Fast

/fɑːst/

Moving or capable of moving at high speed, covering a distance quickly or occurring in a short time.

Synonyms:

The wall of water was turning faster and faster."He travels the fastest who travels alone," she quoted at him.Robin was fast and light.

Old English fæst, meaning firmly, securely, related to Old Norse fastr and Old High German festi signifying strong/firm.

92 mentions per 1 million words

Often

Hint: Frequency according to COCA