Languor n. : A state of the body or mind which is caused by exhaustion of strength and characterized by a languid feeling; feebleness; lassitude; laxity.

Languor n. : Any enfeebling disease.

Languor n. : Listless indolence; dreaminess. Pope.

Example:
What is an antonym of the following words: marauder, condolences, Languor, and succor?

Taxonomy
languor, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Middle English, thesaurus, glossary, language, ESL, Search, lan, Etymology, Anglo-French, langur, Latin, 14th century.

Defination from the web:
languor from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Etymology: Middle English, from Anglo-French langur, from Latin languor, from languēre. Date: 14th century. 1 : weakness or weariness of body or mind ...