Antiquated is sometimes used of persons in a sense akin to superannuated. The antiquated person is out of style and out of sympathy with the present generation by reason of age; the superannuated person is incapacitated for present activities by reason of age.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

outdated It's about time we did away with this outdated law.
obsolete For all practical purposes, that word is obsolete.
venerable Hero is a venerable title, because of the price paid.
outmoded The teacher's method of teaching is so outmoded.
effete The critics dismissed the film as an effete imitation of earlier, bolder works.

Popularity over time

Word	1850 → 2019	Trend
superannuated		falling
outdated		rising
obsolete		falling
venerable		steady
outmoded		falling
effete		steady

Use in printed books, per decade from 1850 to 2019.

By length

3 letters: old¹
4 letters: aged¹
5 letters: dated², stale¹, passe², hoary², fusty²
6 letters: effete²
7 letters: elderly³, antique², archaic³, defunct², disused, outworn
8 letters: outdated³, obsolete³, decrepit³, outmoded³, overaged
9 letters: venerable⁴
10 letters: antiquated⁴, fossilized³, fossilised
12 letters: discontinued⁴, antediluvian

The small number after each word is its number of syllables (dated² = 2 syllables).