quickly or rapidly (often used as a combining form); "how fast can he get here?"; "ran as fast as he could"; "needs medical help fast"; "fast-running rivers"; "fast-breaking news"; "fast-opening (or fast-closing) shutters"
in a hurried or hasty manner; "the way they buried him so hurriedly was disgraceful"; "hastily, he scanned the headlines"; "sold in haste and at a sacrifice"