IPA: /ˈhʌŋɡrɪnəs/
KK: /ˈhʌŋɡrɪnəs/
The state of feeling a strong need or desire for food.
His hungriness made him search for a snack before dinner.
Hungriness is formed from "hunger" (from Old English "hungor", meaning a strong desire for food) and "-ness" (a suffix used to form nouns indicating a state or condition). The word "hungriness" refers to the state or condition of being hungry.
Think of 'hunger' as a strong desire for food, and remember that 'hungriness' describes the state of having that desire.