अजय

In a sentence

• अजय एक होशियार छात्र है।

  Ajay is a smart student.

  Here, अजय is used as a proper noun referring to someone's name.

• यह दुनिया में कुछ भी अजय नहीं है।

  There is nothing invincible in this world.

  Here, अजय is used as an adjective meaning 'invincible'.

• उन्होंने अपने व्यापार को अजय बनाया।

  They made their business invincible.

  Here, अजय is used metaphorically as an adjective to signify the concept of invincibility.