Not being as young as previously thought or compared to a younger state.

पहले के मुकाबले उतना जवान नहीं होना

English Usage: She realized she was not as young as was needed for the demanding job.

Hindi Usage: उसे एहसास हुआ कि वह उतना जवान नहीं थी जितना उस कठिन काम के लिए जरूरी था।