vanquish

Definitions:

To conquer; subdue; as, Cœ sar vanquished Gaul; to get the better of; to defeat in an argument or debate.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (verb) (v. t.) (verb transitive)
To conquer: to defeat in any contest: to confute.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (verb) (v. t.) (verb transitive)
To conquer; overcome.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (verb) (v. t.) (verb transitive)
To subdue in battle, as an enemy; to defeat in any contest; to refute in argument; to overpower.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (verb) (v.) (verb)
To subdue in a contest; to overcome; to confute.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (verb) (v.) (verb)
Vanquishable.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
Vanquisher.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
A disease in sheep.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (verb) (v.) (verb)
Gaul; to get the better of; to defeat in an argument or debate.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (verb) (v. t.) (verb transitive)

Usage examples:

As it was expected, therefore, that Putnam would vanquish the wolf in no time, no dialogue had been provided for the friends and neighbors waiting outside, and as time passed and no signal to " draw up," came, they grew somewhat embarrassed.
- The Old Stone House by Anne March
Their plan was to vanquish the British and French, if possible, before the United States could transport a sufficient number of men to France to turn the tide of numbers in favor of the Allies, and enable them to take the offensive with good prospects of success.
- America's War for Humanity by Thomas Herbert Russell
You shall give me your word, that when I am gone you will take no steps in this affair without the concurrence of your father, and endeavour, by all fair and honourable means, to vanquish the prejudices, and obtain the consent of her uncle; the rest we must leave to the dispensation of Providence.
- The Adventures of Sir Launcelot Greaves by Tobias Smollett