2.3 fast
celer, swift; adv. celeriter; noun celeritās
vēlōx, swift; adv. vēlōciter; noun vēlōcitās
pernīx, swift; noun pernīcitās
rapidus, citus, quick; noun rapiditās; adv. cito
volucer, swift, fleeting
cursim, raptim, quickly
praeceps, headlong, hasty
accelerāre, festīnāre, properāre, hasten, make haste; properātō opus est, there is need of haste; nouns festīnātiō, properātiō; adv. festīnātō
slow
tardus, slow; noun tarditā
lentus, slow, lingering, sluggish
q.v. make slow, delay, 1.7
from A Handbook of the Latin Language by Walter Ripman (1930). Transcribed by Carolus Raeticus (2011).