- 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 for fortify on Thesaurus.com
Examples from the Web for fortifies
Obamacare draws fire from this segment of “conservatives” because it fortifies the other side in their holy war.A Conservative Defense of Obamacare... from an AEI Scholar
September 30, 2012
Defeat brings prudence and concentration; it ennobles and fortifies.The Task of Social Hygiene
A contest so noble and so perpetual sustains and fortifies the mind.Put Yourself in His Place
It refreshes you, sir: it fortifies you: and as for liking it—gad!The Christmas Books
William Makepeace Thackeray
In the meantime it equips and fortifies itself as for a combat.The Origins of Contemporary France, Volume 2 (of 6)
Hippolyte A. Taine
The evidence with which Mr. Randall fortifies his position is inconclusive.
- (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 fortifies
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.