JUMPIEST
JUMPY
rough, rocky, bumpy, jolty, jolting, jumpy
(adjective) causing or characterized by jolts and irregular movements; “a rough ride”
edgy, high-strung, highly strung, jittery, jumpy, nervy, overstrung, restive, uptight
(adjective) being in a tense state
Source: WordNet® 3.1
Adjective
jumpiest
superlative form of jumpy: most jumpy
Source: Wiktionary
JUMPY
Jump"y, a. [Compar. Jumpier; superl. Jumpiest.]
Definition: Jumping, or inducing to jump; characterized by jumps; hence,
extremely nervous.
Source: Webster’s Unabridged Dictionary 1913 Edition