thanks (th?ngks)pl.n.1. Grateful feelings or thoughts; gratitude: a heart full of thanks for our escape.2. An expression of gratitude: gave thanks to God; a note of thanks to a contributor.interj. Used to express thanks.Idioms: no thanks to Without the benefit of help from: finally found the house, no thanks to these confusing directions. thanks to On account of; because of: “Thanks to a variety of domestic political changes, by the 1440s the Chinese had withdrawn from participation in the wider world” (Lincoln P. Paine).American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.thanks (?æ?ks) pl n1. an expression of appreciation or gratitude or an acknowledgment of services or favours given2. thanks to because of: thanks to him we lost the match. interjinformal an exclamation expressing acknowledgment, gratitude, or appreciationCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014