mutually

adv

1. In the same way, each to the other; reciprocally.

   “The contract was mutually binding.”

   “Each written word when spoken is mutually incomprehensible between a Mandarin speaker in Beijing and a Cantonese speaker in Hong Kong. If you think that’s odd, consider our number system: the symbol “9” is universally recognized but it’s pronounced “nine” in English and “devet” in Slovenian.”

   “The deepening strategic partnership between the People’s Republic of China and the Russian Federation and their mutually reinforcing attempts to undercut the rules-based international order run counter to our values and interests.”

2. In a shared manner; equally; affecting all parties the same way.

   “The adventure was mutually beneficial.”