twee (tw?)adj. Chiefly British Overly precious or nice.[Alteration of tweet, baby-talk alteration of sweet.]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.twee (twi?) adjBrit excessively sentimental, sweet, or pretty[C19: from tweet, mincing or affected pronunciation of sweet] ?tweely adv ?tweeness nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014twee (twi) adj. affectedly dainty or elegant. [1900?05; appar. reduced from tweet (perhaps via pronoun twi?), mimicking child’s pronoun of sweet] twee?ness, n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.