Entry 2 senses · 2 variants Webster, 1913 Olden /ōl'-dən/ · Old·en · IPA /ˈoʊldn̩/ a. v. i. 01 a. Old; ancient; as, the olden time. 1. Old; ancient; as, the olden time. 02 v. i. To grow old; to age. 1. To grow old; to age.[R.] “She had oldened in that time.” — Thackeray.