hello

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an expression of greeting (Freq. 1)
- every morning they exchanged polite hellos
• Syn:
hullo, hi, howdy, how-do-you-do
• Hypernyms:
greeting, salutation

• Từ đồng nghĩa / Synonyms:
  hullo, hi, howdy, how-do-you-do