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most ancient

ADJECTIVE

old, often very old

Synonyms

STRONGEST

age-old antique archaic hoary old-fashioned timeworn venerable

STRONG

aged antediluvian bygone elderly fossil oldie relic remote

WEAK

antiquated back number been around creaky early few miles on lot of mileage moth-eaten obsolete old goat older out-of-date outmoded primal primeval primordial rusty superannuated worse for wear

Antonyms

STRONGEST

current fresh modern new

STRONG

young

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But according to the “NOVA” presentation “Mammal Origins,” our most ancient ancestors existed as long ago as 270 million years.

From The Wall Street Journal • Feb. 10, 2026

Last summer, in a peaceful corner of one of England's most ancient forests, birdsong met boom mics.

From BBC • Nov. 28, 2025

The scientists looked for connections the brain might have with inflammation and innate immunity, the defense system shared by all animals and the most ancient component of the immune system.

From Science Daily • May 1, 2024

Olfaction is the most ancient of animal senses, said Catherine Price, a behavioral ecologist at the University of Sydney in Australia.

From Los Angeles Times • Mar. 1, 2024

Aphrodite was the most ancient Olympian, born of the sea and the blood of Ouranos.

From "Blood of Olympus" by Rick Riordan