We don't have synonyms for go-fast yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are go, no and so.
(v) :
To move, either physically or in an abstract sense:
(v) :
(intransitive) To move through space (especially to or through a place). (May be used of tangible things such as people or cars, or intangible things such as moods or information.)
(v) :
(intransitive) To navigate (to a file or folder on a computer, a site on the internet, a memory, etc).
(v) :
To move (a particular distance, or in a particular fashion).
(v) :
(intransitive) To move or travel in order to do something, or to do something while moving.
(v) :
To move, either physically or in an abstract sense:
(v) :
(intransitive) To move through space (especially to or through a place). (May be used of tangible things such as people or cars, or intangible things such as moods or information.)
(v) :
(intransitive) To navigate (to a file or folder on a computer, a site on the internet, a memory, etc).
(v) :
To move (a particular distance, or in a particular fashion).
(v) :
(intransitive) To move or travel in order to do something, or to do something while moving.