IPA: /əˈdɔːrəblnəs/
KK: /əˈdɔːrəblnəs/
The quality of being very cute or charming, making someone or something easy to love.
The adorableness of the puppy made everyone smile.
Adorableness is formed from "adorable" (from Latin "adorabilis", meaning worthy of being adored) and the suffix "-ness" (meaning the state or quality of). The word refers to the quality of being worthy of love or affection.
Think of 'adorable' as something that is 'worthy of being adored' and remember that '-ness' indicates a state or quality, so 'adorableness' means the state of being lovable.