Emily Dickinson Lexicon

LUST'Y, a. [from lust; D. lustig.]

1. Stout; vigorous; robust; healthful; able of body. This is the correct sense of the word, comprehending full health and strength; as, a lusty youth. But it is now used in the sense of,
2. Bulky; large; of great size, This sense does not always include that of vigor.
3. Handsome; pleasant; saucy. [Obs.] – Gower. Spenser. Shak.
4. Copious; plentiful; as, a lusty draught. – Tatler.
5. Pregnant; a colloquial use.