from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To raise arguments against; voice opposition to.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To dispute or argue using reason.
- v. To be involved or engaged in controversy.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make matter of controversy; to dispute or oppose by reasoning; to contend against in words or writings; to contest; to debate.
from The Century Dictionary and Cyclopedia
- To dispute; oppose by argument; contend against in discussion; deny and attempt to disprove or confute: as, to controvert opinions or principles; to controvert the justness of a conclusion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. prove to be false or incorrect
- v. be resistant to
From controversy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin as if *controvertere, assumed from controversus, from contro- ("against") + vertere ("to turn"). (Wiktionary)