parasiting

Verb

parasite (third-person singular simple present parasites, present participle parasiting, simple past and past participle parasited)

1. (rare) To parasitize.
   • ... parasiting upon her husband, taking everything and giving nothing in return, this woman had brought her husband to a condition of serious ill health because of his grief, anxiety, and despair over her failure.1921, Margaret J. Hamilton, Mental Hygiene and the Parasite, page 19

See all 9 meanings of parasite