次第で details
depending on; contingent on
結果は本人の努力次第で大きく変わる。
kekka wa honnin no doryoku shidai de ookiku kawaru.
The outcome can change greatly depending on the person's own effort. neutral
「まあ、行けるかどうかは天気次第で決めようよ。」
maa, ikeru ka dou ka wa tenki shidai de kimeyou yo.
Well, let's decide whether we can go depending on the weather. casual
Examples
depending on; contingent on — the outcome is not fixed, and hinges entirely on N
結果は本人の努力次第で大きく変わる。
kekka wa honnin no doryoku shidai de ookiku kawaru.
The outcome can change greatly depending on the person's own effort. neutral
「まあ、行けるかどうかは天気次第で決めようよ。」
maa, ikeru ka dou ka wa tenki shidai de kimeyou yo.
Well, let's decide whether we can go depending on the weather. casual
契約の可否は審査結果次第で決定いたします。
keiyaku no kahi wa shinsa kekka shidai de kettei itashimasu.
Whether the contract proceeds will be decided depending on the screening results. formal
Formation
{N}しだいでattaches to noun
Notes
Related patterns
Similar
によって covers a passive agent, means, cause AND "depending on" in one multi-purpose particle; 次第で is single-sense contingency, favoring 決まる／変わる collocations (結果次第で決める) over によって's broader, more formal spread.
Lookalikes
Same root word, two different attach points and meanings — 見つけ次第 (masu-stem) means "the moment it's found," while N次第で means "depending on N"; skimming past 次第 and missing で flips "as soon as" into "depending on."