Speedy is a related term of vigorous.
As adjectives the difference between speedy and vigorous
is that speedy is rapid; swift while vigorous is physically strong and active.
speedy
English
Adjective
(er)
rapid; swift
Synonyms
* fast, swift, quick, rapid
* See also
Derived terms
* speedily
* speediness
* speedy delete
* speedy deletion
vigorous
English
Alternative forms
* vigourous
Adjective
(
en adjective)
Physically strong and active.
Rapid of growth