insignificantly
🇺🇸
/ˌɪnsɪɡˈnɪfɪkəntli/
🇬🇧
/ˌɪnsɪɡˈnɪfɪkəntli/
in a way that is not important or noticeable
The changes were made insignificantly, without anyone noticing.
変更はわずかに行われ、誰も気づかなかった。