- to protect or strengthen against attack; surround or provide with defensive military works.
- to furnish with a means of resisting force or standing strain or wear: to fortify cotton with nylon.
- to make strong; impart strength or vigor to: to fortify oneself with a good breakfast.
- to increase the effectiveness of, as by additional ingredients: to fortify a diet with vitamins; to fortify a lotion with lanolin.
- to strengthen mentally or morally: to be fortified by religious faith.
- to confirm or corroborate: to fortify an accusation with facts.
- Nutrition. to add one or more ingredients to (a food) to increase its nutritional content.
- to add alcohol to (wine or the like).
- to set up defensive works; erect fortifications.
Origin of fortify
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for fortify
Does Israel offer up any facts to fortify his incendiary charge?Cynical Race-Baiting Will Fail to Save the Democrats
April 14, 2014
And volunteers are working around the clock at Fort Tilden beach in the Rockaways to fortify sand dunes.Hurricane Season Is Starting, and Projections Are Higher Than Average
May 29, 2013
So Romney reversed course again, vowing “to fortify his communications and messaging team by adding seasoned operatives.”Ignore the Pundits, Mitt, They’ll Ruin Your Presidential Campaign
July 8, 2012
Throughout her testimony, she repeatedly put a slender hand to her chest and took in gulps of air to fortify herself.Jerry Sandusky Trial, Day Five: Sandusky’s Defense Flails
June 18, 2012
Next will be using the Copenhagen accord to fortify the U.S. Senate to pass a climate bill.Talk About a Climate Catastrophe
December 19, 2009
To justify and fortify myself I thought how badly my husband had behaved to me.The Woman Thou Gavest Me
That name seemed to fortify them against the scouts of passion.The Manxman
Do you think these are the men who are likely to fortify and maintain your title to the crown?The Historical Nights' Entertainment
"The enemy are continuing to fortify the coast, Sir," said the subaltern.
A truce is then made for the purpose of burying the dead, and the Greeks fortify their camp.
- (also intr) to make (a place) defensible, as by building walls, digging trenches, etc
- to strengthen physically, mentally, or morally
- to strengthen, support, or reinforce (a garment, structure, etc)
- to add spirits or alcohol to (wine), in order to produce sherry, port, etc
- to increase the nutritious value of (a food), as by adding vitamins and minerals
- to support or confirmto fortify an argument with facts
Word Origin and History for fortify
early 15c., "increase efficacy" (of medicine); mid-15c., "provide (a town) with walls and defenses," from Old French fortifiier (14c.) "to fortify, strengthen," from Late Latin fortificare "to strengthen, make strong," from Latin fortis "strong" (see fort) + facere "to make" (see factitious).
Sense of "to strengthen mentally or morally" is from late 15c. Meaning "add liquor or alcohol" is from 1880. Related: Fortified; fortifying.