Something that is no longer fresh or is outdated.

बासी या पुराना

English Usage: The staling bread was thrown away.

Hindi Usage: बासी ब्रेड फेंक दी गई।

To become stale; to lose freshness.

बासी होना

English Usage: The news is staling quickly, and no one is interested anymore.

Hindi Usage: खबर जल्दी बासी हो रही है, और कोई दिलचस्पी नहीं ले रहा है।