conjunction
without; if it were not for
Conjunction meaning 'without' or 'if it were not for'. Often used in the pattern 〜なくして(は)〜ない, expressing that something cannot happen or exist without something else. Cross-referenced with 無くしては.
See also: 無くしては
努力なくして成功はあり得ない。
Success is impossible without effort.
あなたの助けなくしては、この仕事は完成しなかっただろう。
Without your help, this work would not have been completed.