invigorategive vigor, vitality, or strength: Weight-lifting will invigorate you.Not to be confused with:energize ? give energy to; to put out energy: A brisk walk in the cold air will energize you.enervate ? deprive of vitality; weaken: Constant worry will enervate you.Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embreein·vig·or·ate (?n-v?g??-r?t?)tr.v. in·vig·or·at·ed, in·vig·or·at·ing, in·vig·or·ates To impart vigor, strength, or vitality to; animate: “A few whiffs of the raw, strong scent of phlox invigorated her” (D.H. Lawrence).[Possibly obsolete invigor (from French envigorer, from Old French envigourer : en-, in; see in-2 + vigour, vigor; see vigor) + -ate.]in·vig?or·at?ing·ly adv.in·vig?or·a?tion n.in·vig?or·a?tor n.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.invigorate (?n?v????re?t) vb (tr) to give vitality and vigour to; animate; brace; refresh: to be invigorated by fresh air. [C17: from in-2 + Latin vigor vigour] in?vigor?ating adj in?vigor?atingly adv in?vigor?ation n in?vigorative adj in?vigoratively adv in?vigor?ator nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014in?vig?or?ate (?n?v?g ??re?t) v.t. -at?ed, -at?ing. to give vigor to; fill with life and energy; energize. [1640?50; in-2 + obsolete vigorate invigorated