also: らっきぃ
Used as a na-adjective or noun to describe a fortunate situation or person. Common in casual speech.
今日はラッキーな日だ。
Today is a lucky day.
彼はいつもラッキーだよね。
He's always lucky, isn't he?
nice!; score!; bingo!
Exclamation when something fortunate happens. Often used in casual, excited contexts.
ラッキー！最後の一個が買えた！
Score! I got the last one!
There was an empty seat on the train—what a lucky thing.
I won the lottery—lucky!
This result was lucky for us.
Luckily, it didn't rain.
lucky zone (baseball)