They are many: geezer, old-timer, senior, oldster, golden-ager, senior citizen, ancient, elder, retired person or old timer. Many of these will get you a sneer or worse.
Scrooge!
Aging or growing older.
Being elderly
Crotchety or cantankerous.
Dotage, declining years, geriatrics, seniority, autumn of life...
The word 'folk' is both a noun (old folk or young folk) and an adjective (folk art or folk song).
I don't want to go to the old folks home. This question is a sentence with the word "folk" in it.
Another word for not old is young.
Albumen is the white part of an egg :)
"Ancient" is another word for very old.
No. The word folk is a noun, also used as an adjunct or adjective. Another adjective form is "folksy." The adverb (folksily) is seldom used.
Another word for 40 year old is 4 decades. 8D
Another word for an old female cat is a grimalkin.
old
aged
I searched the internet for the meaning for the word folk
old, decrepit