உ

In a sentence

• உன்னை நான் நேசிக்கிறேன்.

  I love you.

  In this sentence, 'உ' is part of 'உன்னை', meaning 'you', and it serves as the accusative object.

• உயிருக்கு முக்கியம் ஆக்ஸிஜன்.

  Oxygen is important for life.

  'உ' begins the word 'உயிரு,' meaning 'life,' signifying its role as a subject in the sentence.

• உமக்கு வேண்டும் என கூறுங்கள்.

  Tell me what you want.

  Here, 'உ' appears in 'உமக்கு,’ a polite form meaning 'to you,' addressing the receiver respectfully.