IPA: /ˈdʒʌmpɪnəs/
KK: /ˈdʒʌmpɪnəs/
The condition of feeling nervous or anxious, often resulting in sudden movements or reactions.
Her jumpiness made it hard for her to sit still during the meeting.
Jumpiness → It is formed from "jump" (from Middle English "jumpe", meaning to leap or spring) and "-iness" (a suffix indicating a state or quality). The word "jumpiness" refers to the state of being jumpy or nervous.
Think of the word 'jump' to remember that 'jumpiness' describes the state of being nervous or easily startled.