Maltese/ˌmɔːlˈtiːz/ Definition 1 of 4Pro Tip 1/2Nationality Usage Use 'Maltese' to specify the nationality of a person from Malta in formal and informal contexts. His wife is Maltese. Pro Tip 2/2No Plural Form 'Maltese' remains the same whether talking about one person or many people from Malta. A group of Maltese tourists visited the museum.