IPA: /ˈbruːdɪnəs/
KK: /ˈbruːdɪnɪs/
The state of being inclined to sit on eggs to hatch them, similar to how a hen does, or a feeling of deep thought or worry.
Her broodiness made her spend hours thinking about her future.
Broodiness is formed from "brood" (from Old English "brōd", meaning to sit on eggs to hatch them) and the suffix "-iness" (meaning the state or quality of). The word "broodiness" refers to the state of being inclined to sit on eggs or, metaphorically, a state of deep thought or contemplation.
Think of 'brood' as sitting on eggs, which helps you remember that 'broodiness' refers to the state of being contemplative or thoughtful.