IPA: /ɡrəˈtuːɪtəsnəs/
KK: /grəˈtuːɪtəsnəs/
The quality of being given or done without charge or payment; something that is unnecessary or unwarranted.
The gratuitousness of the service surprised many customers, as they expected to pay for such luxury.
Gratuitousness → It is formed from "gratuitus" (from Latin, meaning free or given without charge) and the suffix "-ness" (meaning the state or quality of). The word "gratuitousness" refers to the quality of being given freely or without cause.
Think of something that is 'free' ('gratuitus') and the '-ness' that indicates a state or quality. This helps you remember that gratuitousness means the quality of being free or unnecessary.