IPA: /ˈzɛləsnəs/
KK: /ˈzɛləsnəs/
The quality of being very enthusiastic and eager about something.
Her zealousness for the project inspired everyone on the team.
Zealousness is formed from "zealous" (from Greek "zelos", meaning fervor or jealousy) and the suffix "-ness" (meaning the state or quality of). The word describes the state of being fervently devoted or enthusiastic about something.
Think of 'zealous' as having a strong 'fervor' or passion, and '-ness' indicating a state. This helps you remember that 'zealousness' means the quality of being fervently enthusiastic.