speedy

adjectives

characterized by speed; moving with or capable of moving with high speed
"a rapid movement"; "a speedy car"; "a speedy errand boy"
rapid, speedy
is derived from
speediness
is derived from
speed
is derived from
speed
accomplished rapidly and without delay
"was quick to make friends"; "his quick reaction prevented an accident"; "hoped for a speedy resolution of the problem"; "a speedy recovery"; "he has a right to a speedy trial"
quick, speedy
is derived from
speediness
is derived from
speed