Firstborn synonyms | adjectives

Synonyms for Firstborn as an Adjective

• eldest

  most senior
• elder

  older person, senior
• first

  most senior
• first-born

  senior, older person
• older

  born earlier
• senior

  most senior, born earlier
• earlier

  born earlier, most senior
• ancient

  older person, senior
• more mature

  born earlier
• former

  most senior
• lower
• preceding
• prior
• of a former period
• of an earlier time
• born earlier
• most senior
• top-level
• more grown up
• big
• oldest
• most grown up
• biggest