eldest
/ˈɛldəst/
adjective
- Oldest; used especially to describe the firstborn child in a family or the oldest among a group of siblings.
- The eldest child often helps take care of the younger ones.
- My eldest sister is a doctor in Chicago.
- He is the eldest of three brothers.
noun
- The oldest person in a group, especially the oldest child in a family.
- The eldest usually gets the largest bedroom in the house.
- In many cultures, the eldest inherits the family business.
- As the eldest, she felt responsible for her younger siblings.
Synonyms