Easily moved to feeling or action; easily affected in any way; not firm or steadfast; loose; also, susceptible to tickling, easily tickled or…

figurative. Explosive as gunpowder; easily fired or inflamed.

Capable of being mentally or emotionally disturbed; easily excited or made anxious. Now somewhat rare.

Probably: excitable, active. Obsolete.

figurative. Covered as with thatch (in quot. 1606, with reference to its inflammability). thatched-head, one who has matted hair.

Capable of being excited; prone to, or susceptible of, excitement; easily excited. Const. to.

Of the nature of gunpowder; inflammable, explosive. Chiefly figurative. Now Scottish regional.

Capable of being incensed or excited in feeling.

Inclined to powerful emotion, passionate; hot-tempered.

having a heated fancy or excitable temperament.

figurative. Easily kindled to violence or passion; excitable; inflammable.

Capable of being fermented.

Of a person: capable of being intoxicated; susceptible to intoxication. Obsolete.

Of the nature of or resembling tinder, tinder-like; also figurative easily inflamed, ‘inflammable’, passionate.

Easily fired or roused to excitement; excitable, hasty-tempered, passionate.

attributive. In extended use: prone to rapid changes of emotion, excitable. Obsolete.

pertaining to or characteristic of gunpowder; of the bluish colour of gunpowder; figurative fiery, easily fired, inflamed, or irritated.

= erethismic, adj.

That can be aroused.

Hyperactive, excitable, highly-strung; extraordinarily energetic.