The word "unmodest" is often used to describe someone who is immodest, boastful, or arrogant. There are several synonyms for this word that can be used interchangeably in different contexts. One such synonym is "vain," which describes someone who is excessively proud of their appearance or accomplishments. Another similar word is "conceited," which refers to someone who has an exaggerated sense of self-importance. "Egotistical" is a synonym that emphasizes self-centeredness and a lack of concern for others. "Haughty" and "snobbish" both imply a sense of superiority, while "braggart" specifically refers to someone who boasts about their achievements. Overall, there are many different words that can be used to describe someone who is unmodest, each with its own unique connotations.