legitimacy

noun

le·​git·​i·​ma·​cy li-ˈji-tə-mə-sē 

: the quality or state of being legitimate

Synonyms of legitimacy

• lawfulness
• legality

Examples of legitimacy in a Sentence

the legitimacy of the military dictatorship was not recognized by most other nations

Recent Examples on the Web

Whatever the merits of Fedorov’s arguments, the move potentially presents a fresh talking point to Putin, who has publicly and repeatedly cast doubt on Zelensky’s legitimacy as president. — Nathan Hodge, CNN Money, 23 Aug. 2026

The legitimacy of that referendum petition was not challenged in court. — David A. Lieb, Los Angeles Times, 20 Aug. 2026

Executives used a White House event to lobby for legislation that may lend greater legitimacy to the growing industry — one that has made Trump more than $1 billion. — Cat Zakrzewski, Washington Post, 19 Aug. 2026

More than 60,000 residents participated, and roughly 90 percent voted in favor of ending the concession, giving the movement greater political legitimacy even though the referendum carried no legal authority. — Encyclopedia Britannica, 19 Aug. 2026

Word History

First Known Use

1625, in the meaning defined above

Rhymes for legitimacy

• illegitimacy

Kids Definition

legitimacy

noun

le·​git·​i·​ma·​cy li-ˈjit-ə-mə-sē 

: the quality or state of being legitimate

Legal Definition

legitimacy

noun

le·​git·​i·​ma·​cy li-ˈji-tə-mə-sē 

: the quality or state of being legitimate