Grammar › N1 · 14 Set expressions and idioms
〜次第だ: it depends on; that's how
N1 · 14 Set expressions and idioms
Two uses: it depends on something, or explains how things came about.
1) Noun + 次第だ/次第で: 努力次第で, 天気次第だ. 2) Verb + 次第だ: ご連絡した次第です (that is why I contacted you), formal explanation. Do not mix with 〜次第 meaning as soon as. Common in letters and meetings.
Examples
行くかどうかは、天気次第だ。
Whether we go or not depends on the weather.
お願いがあって、ご連絡した次第です。
That is why I got in touch with you; I have a request.