Eldest vs Oldest | Difference, Meaning & Examples

Eldest and oldest mean the same thing, but “eldest” is only used to refer to a person—almost always a member of a group of relatives (e.g., a sibling).

Eldest vs oldest examples
Eldest in a sentence Oldest in a sentence
  • The eldest son did not want to take over the business.
  • The oldest son did not want to take over the business.
  • She has two brothers; she’s the eldest of the three.
  • She has two brothers; she’s the oldest of the three.
  • It is one of the eldest buildings in the country.
  • It is one of the oldest buildings in the country.

Oldest vs eldest

“Oldest” means “of the greatest age” and can refer to people and things. It is the superlative form of the adjective “old.” We often prefer to use the alternative “eldest” when referring to a person, and this is almost always a member of a group of relatives (e.g., a sibling).

You can also use “oldest” and “eldest” as nouns to mean “the oldest one.”

Eldest vs oldest examples
Eldest in a sentence Oldest in a sentence
  • Are you the eldest cousin?
  • Are you the oldest cousin?
  • This is the eldest tree in the park. [“Eldest” only refers to people]
  • This is the oldest tree in the park.
  • I’ve got three kids. Lia’s the eldest.
  • I’ve got three kids. Lia’s the oldest.

Elder vs older

Older means “greater in age” and can refer to people and things. It is the comparative form of the adjective “old.” When the alternative “elder” is used, it is normally referring to a member of a group of relatives, usually a sibling.

You can use elder as an attributive adjective (i.e., before a noun), but not as a predicative adjective (i.e., after a linking verb).

Elder vs older examples
Elder in a sentence Older in a sentence
  • That’s her elder brother.
  • That’s her older brother.
  • Put the newer clothes on this pile and the elder ones here. [“Elder” only refers to people]
  • Put the newer clothes on this pile and the older ones here.
  • I’m elder than you. [“Elder” can’t be used predicatively]
  • I’m older than you.
  • He looks elder than he sounds. [“Elder” can’t be used predicatively]
  • He looks older than he sounds.

Elder is also used as a noun to refer to senior, respected members of a society. If the name of a historical figure is followed by “the Elder,” it means that they are the senior of two well-known family members with the same name (usually the father).

Elder as a noun examples
The village elders attended the meeting.

Johann Strauss the Elder was born in 1804.

An elder statesman is a respected senior—often retired—politician, official, or member of a profession (e.g., “The open letter was signed by several prominent elder statesmen”). It can refer to both men and women.

Frequently asked questions about eldest vs oldest

What is a synonym for older?

Synonyms for older include:

  • Elder
  • More senior
  • More elderly
  • More mature
  • More outdated

Bear in mind that “elder” and “older” and eldest and oldest are not always interchangeable. “Elder”/“eldest” can only be used to refer to a person, and this is generally a member of a group of relatives (e.g., a sibling).

Use QuillBot’s free Paraphraser to help you find the best synonym for “older” in your specific context.

What is a synonym for elder?

Synonyms for elder include:

  • Older
  • Leader (in the context of a community)
  • Big (when referring to an older sister/brother)

Bear in mind that “elder” and “older” and eldest and oldest are not always interchangeable. “Elder”/“eldest” can only be used to refer to a person, and this is usually a member of a group of relatives (e.g., a sibling).

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Tom Challenger, BA

Tom holds a teaching diploma and is an experienced English language teacher, teacher trainer, and translator. He has taught university courses and worked as a teacher trainer on Cambridge CELTA courses.