Lustful means full of strong sexual desire. A lustful glance, lustful thoughts, lustful and greedy.
It is a moralising word and belongs to sermons and to old novels, since anybody using it today is passing judgement. It is distinct from lusty, which means vigorous and healthy and has nothing improper about it.
1adjectivelustfulFull of strong sexual desire.
“In the old painting, a lustful god chases a young woman through the forest.”
lustful is a quality.
Old English lustfull meant desirous or wishful, from lust, which first meant simply pleasure.
Old English
lustfull — desirous, wishful
Middle English
lustful
English, today
lustful
From Middle English lustful, from Old English lustfull (“desirous, wishful”); equivalent to lust + ful. Cognate with Dutch lustvol (“lustful, lusty”), German lustvoll (“pleasurable”), Swedish lustfyllt (“pleasurable”), Swedish lustfyllda (“lustful”).
Etymology from Wiktionary, CC BY-SA