unbeatably
/ˌʌnbiːˈteɪbli/; /ˌʌnbiːˈteɪbəli/Definitions
1. adverb
in a way that cannot be beaten or surpassed; extremely or exceptionally.
“The team played unbeatably throughout the season and secured a championship title.”
2. adverb
to an extent that cannot be beaten or surpassed; extremely or exceptionally.
“She performed unbeatably well in the singing competition, impressing the judges with her unique voice.”