Meaning of Oldest
Unknown / অজানা / अज्ञात
a superlative of old.
far advanced in the years of one's or its life: an old man; an old horse; an old tree.
of or relating to the latter part of the life or term of existence of a person or thing: old age.
as if or appearing to be far advanced in years: Worry had made him old.
having lived or existed for a specified time: a man 30 years old; a century-old organization.