उद

In a sentence

• उसने उदास स्वर में गीत गाया।

  She sang the song in a sad tone.

  Here, 'उद' is part of 'उदास', meaning 'sad'. It describes the emotion portrayed in the tone.

• उदयपूर्व सूरज का रंग लाल होता है।

  The color of the sun is red before rise.

  In this context, 'उदय' means 'rise', which refers to the action of the sun rising, portraying a beautiful scene.

• उन्होंने अपने कर्तव्यपरायणता से उदारता दिखायी।

  He showed generosity through his devotion to duty.

  Here, 'उद' is part of 'उदारता', meaning 'generosity'. It expresses the concept of being magnanimous or giving.