In addition to euphoria, crack, which is a stimulant, may produce highly excitable and agitated behavior and severe but short-lived depression.

No sign of nerves, but Moby was definitely still in that highly excitable stage where everything in life is fun and needs exploring.

Swinburne was an alcoholic and algolagniac, and a highly excitable character.

Perhaps "frantic" was the wrong term, but there was no doubt that he was in a highly excitable condition and was mad clear through.

And she is working with her two students on radical new ways to train and care for wild or highly excitable animals, without using force.

He is highly excitable and will rush at friends and lick them in greeting, but has sensitive feelings if scolded by Noddy or anyone else.

The breed's temperament is described in the breed standard as being highly excitable, but affectionate.

His friend, Mrs. Oliver, sounded in a highly excitable condition.

The owner was Vietnamese and highly excitable.

Is it a highly excitable or very active animal that would quickly wear out an older person?