- jitteriness, jumpiness, nervousness, restiveness - the anxious feeling you have when you have the jitters
--1 is a kind of anxiety
- nervousness, nerves - an uneasy psychological state; "he suffered an attack of nerves"
--2 is a kind of psychological state, mental state
--2 has particulars:jitters, heebie-jeebies, screaming meemies; strain, mental strain, nervous strain - nervousness - a sensitive or highly strung temperament
--3 is a kind of disposition, temperament
--3 has particulars: restlessness, uneasiness; skittishness, restiveness