excitable
[adjective]
Synonyms: nervous, emotional, highly strung, hot-headed, mercurial, quick-tempered, temperamental, volatile

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Antonyms: unexcitable
Contrasted words: calm, collected, cool, easy, easygoing, phlegmatic, placid, quiet
Related Idioms: like a bundle of nerves, likely to go off at half cock, on edge, on the ragged edge
Related Words: high-strung, mercurial, temperamental, unstable, touchy

[TahlilGaran] English Synonym Dictionary ▲

ex‧cit‧a‧ble /ɪkˈsaɪtəbəl/ adjective
[Word Family: adjective: excitable, excited, exciting ≠ unexciting, excitable; noun: excitement, excitability; adverb: excitedly, excitingly; verb: excite]
becoming excited too easily:
A puppy is naturally affectionate and excitable.
—excitability /ɪkˌsaɪtəˈbɪləti, ɪkˌsaɪtəˈbɪlɪti/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

excitable
adj.
VERBS be, seem | become
ADV. highly, very | quite, rather, somewhat | easily The horses have easily excitable nervous systems.

[TahlilGaran] Collocations Dictionary ▲