Definition of veto for English Language Learners. : 1  a decision by a person in authority to not allow or approve something (such as a new law) : 2  the right or power of a person in authority to decide that something (such as a new law) will not be approved.
Even five years after Hurricane Katrina, the names of hundreds of the dead remain a mystery and the death toll is mired in dispute. Of an estimated 1,464 victims officially recognized by the state of Louisiana, more than 500 names have not been publicly released.
Hurricane Katrina was the costliest natural disaster in U.S. history, causing around $108 billion (2005 USD) in damage. Katrina was the eleventh named storm of the 2005 Atlantic hurricane season, fifth hurricane, third major hurricane, and the second Category 5 hurricane of the season.