Definition of BIRTHDAY. Meaning of BIRTHDAY. Synonyms of BIRTHDAY

- A birthday is the anniversary of the birth of a person, or figuratively of an institution. The birthdays of people are celebrated in numerous cultures...
- the birthday problem asks for the probability that, in a set of n randomly chosen people, at least two will share the same birthday. The birthday paradox...
- birthday in Wiktionary, the free dictionary. Happy Birthday may refer to: "Happy Birthday", an expression of good will offered on a person's birthday...
- Look up birthday party in Wiktionary, the free dictionary. A birthday party is a party to celebrate the anniversary of someone's birth. Birthday Party or...
- up birthday in Wiktionary, the free dictionary. A birthday is an annual celebration of the date on which a person was born. Birthday(s), The Birthday, or...
- "Happy Birthday to You", or simply "Happy Birthday", is a song traditionally sung to celebrate a person's birthday. According to the 1998 Guinness World...
- Birthday Girl may refer to: "Birthday Girl" (short story), by Haruki Murakami, 2002 Birthday Girl (2001 film), an erotic comedy thriller directed by Jez...
- birthday party is a celebration of the anniversary of the birth of the person who is being honored. While there is historical precedent for birthday parties...
- "A Birthday" is a 1995 science fiction short story by American writer Esther Friesner, about abortion. It was first published in the Magazine of Fantasy...
- A Hebrew birthday (also known as a Jewish birthday) is the date on which a person is born according to the Hebrew calendar. This is important for Jews...