good fortune, luckiness, good luck (noun)

an auspicious state resulting from favorable outcomes

good luck, fluke, good fortune (noun)

a stroke of luck

break, good luck, happy chance (noun)

an unexpected piece of good luck

"he finally got his big break"

good luck (Noun)

Positive fortune.

good luck (Interjection)

A phrase said to wish fortune on someone or as encouragement.

Good Luck

Good Luck is a song recorded by South Korean girl group AOA for their fourth extended play of the same name (2016). It was released as the title track from the EP by FNC Entertainment and distributed by LOEN Entertainment on May 16, 2016 in conjunction with the mini-album. The lyrics were written by Han Seong-ho, Jang Yeon-jeong and Innovators and the music was composed by Matthew Tishler, Aaron Benward and Felicia Barton. To promote the song and the EP, AOA performed "Good Luck" on several South Korean music programs, including Music Bank, Show! Music Core and Inkigayo. A music video for the title track was also released on May 16. The song was a commercial success peaking at number 2 on the Gaon Digital Chart. It has sold over 545,952 digital copies as of July 2016. "Good Luck" was remade as a Japanese song for the group's the fifth single titled, "Good Luck," from their second Japanese studio album Runway (2016). It was released by Universal Music Japan on August 3, 2016. The single was released in eleven different physical versions and as a digital download in Japan.