Fast

avanti

(ahead of the correct time or schedule)

fisso

(firmly or securely fixed in place)

profondo

(of sleep: deep or sound)

rapida

(moving or capable of moving with great speed)

rapido

(moving or capable of moving with great speed)

resistente

(of a dye: not running or fading)

veloce

(moving or capable of moving with great speed)

in anticipo

(ahead of the correct time or schedule)

profondamente

(of sleeping: deeply or soundly)

rapidamente

(with great speed)

saldamente

(in a firm or secure manner)

velocemente

(with great speed)

digiunare

(to abstain from food)