IPA: /ˈdʒɪtərɪnəs/
KK: /ˈdʒɪtərɪnəs/
The condition of feeling nervous or anxious, often resulting in shaky movements or restlessness.
After drinking too much coffee, I experienced a lot of jitteriness and couldn't sit still.
Jitteriness → It is formed from "jitter" (of uncertain origin, possibly imitative of the sound of shaking) and the suffix "-iness" (meaning the quality of). The word "jitteriness" refers to the quality of being jittery or nervous, often characterized by shaking or trembling.
Think of the word 'jitter' which suggests shaking or trembling, and remember that 'jitteriness' describes the quality of being shaky or nervous.