oldest

старший

the oldest member — старший по возрасту член

Синонимический ряд:

1. most advanced (adj.) most advanced; most elderly; most senior

2. most ancient (adj.) hoariest; most aged; most age-old; most ancient; most antediluvian; most antique; most noachian; most olden; most timeworn; most venerable

3. most experienced (adj.) most experienced; most old-time; most practical; most practiced; most seasoned; most skilled; most versed; most vet; most veteran

4. most lasting (adj.) most abiding; most continuing; most enduring; most inveterate; most lasting; most long-lasting; most long-lived; most long-standing; most perennial

5. most old-fashioned (adj.) dowdiest; fustiest; moldiest; most antiquated; most archaic; most belated; most bygone; most dated; most demode; most demoded; most moth-eaten; most neanderthal; most oldfangled; most old-fashioned; most old-timey; most outdated; most outmoded; most out-of-date; most passe; most passй; most rococo; most unmodern; most vintage; stalest

6. most once (adj.) latest; most erstwhile; most former; most once; most one-time; most past; most previous; most quondam; most sometime