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Older vs Eldest - What's the difference?

older | eldest |

As adjectives the difference between older and eldest

is that older is (old), elder, senior while eldest is (old); greatest in age or seniority.

older

English

Adjective

(head)
  • (old), elder, senior
    • My older' brother and I are Catholic twins. He’s '''older''' by eleven months, not quite a year ' older than me.
  • elderly
    • The thoughtful lad helped an older lady across the street.
    ----

    eldest

    English

    Adjective

    (head)
  • (old); greatest in age or seniority.
    • eldest son
  • (card games) Receiving cards from the dealer first, before any other players.

    • Usage notes

    The normal superlative of old'' is oldest. The irregular form ''eldest is sometimes used with family members, but it is otherwise rare.

    Synonyms

    * oldest