excitable

adjectives

easily excited
excitable
is derived from
excitableness
is derived from
excitability
antonym
unexcitable
is similar to
(of persons) excitable
high-keyed
is similar to
easily aroused or excited
"a quick temper"; "a warm temper"
quick, warm
is similar to
unpredictably excitable (especially of horses)
flighty, nervous, skittish, spooky
capable of responding to stimuli
excitable, irritable