insignificance
🇺🇸
/ˌɪnsɪɡˈnɪfɪkəns/
🇬🇧
/ˌɪnsɪɡˈnɪfɪkəns/
A lack of importance or value.
Despite his best efforts, his actions were met with a sense of insignificance by his peers.
彼がベストを尽したにもかかわらず、彼の行動は同僚に不存在感を感じさせた。