Residueless is a synonym of traceless.
As adjectives the difference between traceless and residueless
is that traceless is that has no traces while residueless is leaving no residue or lasting mark.
traceless
English
Adjective
(
en adjective)
That has no traces
That cannot be traced; untraceable
Anagrams
*
residueless
English
Adjective
(
en adjective)
(nonstandard) Leaving no residue or lasting mark.
Synonyms
* traceless