IPA: /ˈtaɪ.dɪ.nəs/
KK: /ˈtaɪdɪnəs/
The state of being organized and clean, where things are in their proper place.
Her room was always in a state of tidiness, with everything neatly arranged.
Tidiness → It is formed from "tidy" (from Middle English *tidy*, meaning neat or in order) and "-ness" (meaning the state or quality of). The word "tidiness" refers to the state of being neat or orderly.
Think of being 'neat' ('tidy') and the '-ness' indicating a state. This helps you remember that tidiness means the quality of being neat.