おめでとう

おめでとう
expression
congratulations
1. congratulations
An expression of congratulation for achievements, special occasions, or celebrations. The polite form is おめでとうございます.
Happy birthday!
合格(ごうかく)おめでとうございます。
Congratulations on passing!
Polite form
あけましておめでとうございます。
Happy New Year!
New Year greeting
結婚(けっこん)おめでとうございます。(しあわ)せに
Congratulations on your wedding. Best wishes for your happiness.
Congratulations on your graduation! Keep doing your best.

おめでとう expresses congratulations for achievements or celebrations. From the adjective めでたい (auspicious, happy).

FORMALITY:

  • おめでとう: casual (friends, family)
  • おめでとうございます: polite (formal situations, superiors)

COMMON OCCASIONS:

  • 誕生日(たんじょうび)おめでとう: Happy birthday
  • あけましておめでとう: Happy New Year
  • 結婚(けっこん)おめでとう: Congratulations on your marriage
  • 卒業(そつぎょう)おめでとう: Congratulations on graduation
  • 合格(ごうかく)おめでとう: Congratulations on passing

USAGE NOTE:
The occasion word comes first, followed by おめでとう. New Year's greeting is a set phrase: あけましておめでとうございます (lit. "Congratulations on the opening [of the new year]").