IPA: /ˈpraɪm.nəs/
KK: /ˈpraɪm.nəs/
The state or quality of being prime, which often refers to being first in importance or rank.
The primeness of the project was evident in its high priority on the agenda.
Primeness is formed from "prime" (from Latin "primus", meaning first) and the suffix "-ness" (meaning the state or quality of). The word "primeness" refers to the state or quality of being first or primary.
Think of 'prime' meaning 'first' and '-ness' indicating a state, so primeness is the state of being first.