be sufficient; be adequate, either in quality or quantity; "A few words would answer"; "This car suits my purpose well"; "Will $100 do?"; "A 'B' grade doesn't suffice to get me into medical school"; "Nothing else will serve"
with relatively high volume; "the band played loudly"; "she spoke loudly and angrily"; "he spoke loud enough for those at the back of the room to hear him"; "cried aloud for help"