With support from Western countries, smuggling gangs send insured and guaranteed shipments of alcoholic beverages into Iran.
The Theater Wing is guaranteed 60 seconds where they get to talk shop.
Even if Romney wins these competitions, it is not guaranteed that he will get enough delegates to secure his nomination.
1670s, alterted (perhaps via Spanish garante), from earlier garrant "warrant that the title to a property is true," early 15c., from Old French garant "defender, protector," from Germanic (see warrant (n.)). For form evolution, see gu-. Originally "person giving something as security;" sense of the "pledge" itself (which is properly a guaranty) developed 17c.
1791, from guarantee (n.). Garanten in this sense is from early 15c. Related: Guaranteed; guaranteeing.