excitable

Definition

Adjective:
- Easily excited or aroused: Describes a person, animal, or system that is prone to becoming emotionally stirred up, agitated, or stimulated.
- Capable of responding to stimuli: Describes something, often in a biological or technical context, that has the inherent capacity to react to external or internal triggers.

Usage

The adjective "excitable" is used to describe a temperament or a property. It often carries a neutral to slightly negative connotation when describing people, suggesting a lack of emotional calm or stability. In scientific contexts, it is a neutral term describing responsiveness.

Examples

Describing a person or animal:
- The excitable puppy barked at every passing car.
- He has an excitable nature and tends to overreact to minor news.
Describing a biological or technical system:
- Nerve cells are excitable tissues that transmit electrical signals.
- The excitable membrane of the neuron depolarized in response to the stimulus.

Advanced Usage

"Over-excitable": An intensified form, meaning excessively easy to excite.
- The over-excitable crowd made it difficult for security to maintain order.
Used in formal or literary descriptions to characterize behavior.
- Her excitable imagination transformed every shadow into a monster.

Variants and Related Words

Excitability (n): The quality or state of being excitable.
- The excitability of the market makes investors nervous.
Excitably (adv): In an excitable manner.
- He answered excitably, his voice rising with each word.
Inexcitable (adj): Not easily excited; calm.
- Her inexcitable demeanor was perfect for handling crises.

Synonyms

High-strung: Nervous and easily upset.
Volatile: Liable to change rapidly and unpredictably, especially for the worse.
Skittish: (Of an animal) nervous; easily scared.
Responsive: Reacting quickly and positively.