Is 55 considered old?

Is 55 considered old? Note that by these definitions, “old” in the 1920s — 55 — is now considered “middle aged” today, and “very old” in the 1920s — 65 — is now considered merely “old” today.

Note that by these definitions, “old” in the 1920s — 55 — is now considered “middle aged” today, and “very old” in the 1920s — 65 — is now considered merely “old” today.