no longer interesting or exciting

पुराना

English Usage: His jokes are getting stale.

Hindi Usage: उसके चुटकुले पुराने होते जा रहे हैं।

food that is no longer fresh

बासी

English Usage: The bread was stale and hard.

Hindi Usage: रोटी बासी और कठोर थी।

to make something stale

बासी करना

English Usage: The leftover food will stale if not stored properly.

Hindi Usage: अगर ठीक से नहीं रखा गया तो बचा हुआ खाना बासी हो जाएगा।