impoverish
1 antonym for impoverish — opposites grouped by meaning.
Verb — To make someone poor.
Synonyms by Meaning
2. verb
To make something weaker or less rich in quality.
“That exuberant crop quickly impoverishes any fertile soil.”
Antonyms
Etymology
Came from Middle English empoverishen, impoverishen, empoverischen and enpoverisshen, and from Anglo-Norman empoveriss-, developed from Old French empoverir, formed from em- + povre, from Latin pauper ("poor") (compare English poor).
Full origin of impoverish →