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Definitions

skittish

[skit-ish] / ˈskɪt ɪʃ /
ADJECTIVE
very nervous
Synonyms
STRONGEST
edgy excited fearful fickle giddy jumpy restive
WEAK
agitable alarmable capricious changeable combustible dizzy excitable fidgety flighty frivolous harebrained high-strung irresponsible lightheaded lively peppy playful scatterbrained sensitive spirited undependable unreliable volative whimsical zippy
Antonyms
STRONGEST
calm collected composed easygoing laid-back
WEAK
unworried

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.