Definition of "valid" []

• Well grounded; just: a valid objection. (adjective)
• Producing the desired results; efficacious: valid methods. (adjective)
• Having legal force; effective or binding: a valid title. (adjective)
• Logic Containing premises from which the conclusion may logically be derived: a valid argument. (adjective)
• Logic Correctly inferred or deduced from a premise: a valid conclusion. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Even though there have been many interpretations of the paintings and decorations of this church, none of the researchers gave what I call a valid translation or found Saunière's treasure."
• "The substantive points I was making above all remain valid either way."
• "Anyone who acknowledges these rankings as somewhat valid is complicit in distorting an appropriate world perspective and should feel ashamed."