reluctantly; helplessly; as a last resort
Expresses doing something because there is no other choice, often with a feeling of resignation.
It was raining, so I reluctantly bought an umbrella.
バスが来なかったから、仕方なく歩いて帰った。
The bus didn't come, so I had no choice but to walk home.
やむを得ず is more formal and stresses that no alternative existed, while 仕方なく is the everyday, casual way to say one had no choice.
仕方なく emphasizes doing something because there is no other choice, whereas 嫌々 focuses on the emotional reluctance felt while doing it.
仕方なく is a casual, everyday way to say 'having no choice', whereas 余儀なく carries a more formal, written tone.
仕方なく emphasizes acting because there is no other option, while 渋々 emphasizes the emotional reluctance felt while doing it.
Standard kanji spelling.
Rare variant using the full kanji for ない.
Adverbial form of 仕方ない (shikata nai), literally 'there is no way to do it'.