IPA: /ˌɑːr.bɪˈtrɛr.ɪ.nəs/
KK: /ˌɑːr.bɪˈtrɛr.ɪ.nəs/
The quality of being based on random choice or personal whim rather than any reason or system.
The arbitrariness of the rules made it difficult for players to understand how to win the game.
Arbitrariness → It is formed from "arbitrare" (meaning to judge or decide) and the suffix "-ness" (meaning the state or quality of). The word "arbitrariness" refers to the quality of being based on random choice or personal whim rather than any reason or system.
Think of the act of 'judging' ('arbitrare') something based on personal choice, which helps you remember that 'arbitrariness' means the quality of being based on random decisions.