• • Hello [həˈləʊ̯] 
    (interjection)
  • Definition:

    • a friendly greeting said when meeting someone
  • Example:

    • Hello everyone!
• • Hi [haɪ] 
    (interjection)
  • Definition:

    • a short and informal greeting said when meeting someone
  • Example:

    • Hi everyone!
• • Good morning [ˌgʊd ˈmɔː.nɪŋ] 
    (interjection)
  • Definition:

    • a greeting said when meeting someone in the morning
  • Example:

    • Good morning! Did you sleep well?
• • Good afternoon [ˌgʊd ˈˌæftəˈnuːn] 
    (interjection)
  • Definition:

    • a greeting said when meeting someone in the afternoon
  • Example:

    • Good afternoon! How are you?
• • Good evening [ˌgʊd ˈˈiːvnɪŋ] 
    (interjection)
  • Definition:

    • a greeting said when meeting someone in the evening
  • Example:

    • Good evening! How are you?
• • Good night [ˌgʊd naɪt] 
    (interjection)
  • Definition:

    • a farewell said in the evening or before going to sleep
  • Example:

    • Good night! Sleep well.
• • Goodbye [gʊdˈbaɪ] 
    (interjection)
  • Definition:

    • a farewell said when you or the other person are leaving
  • Example:

    • Goodbye! Have a safe journey.