inexcitability

Immunity to agitation

Inexcitability is the quality of being unable to be excited or aroused—whether emotionally or physiologically.

In medicine, it describes tissue (especially nerve or muscle) that fails to respond to stimulation.

More broadly, it suggests an unflappable temperament: His inexcitability under pressure made him ideal for crisis management.

unflappability

imperturbability

State of being unflappable

composure · steadiness · cool-headedness · phlegm · nonchalance · unshakability

calmness

serenity

Undisturbed mental quietude

placidity · peacefulness · quietude · stillness · repose · sedateness · evenness · steadiness · collectedness · coolness

self-control

restraint

Control over impulses

moderation · self-regulation · self-mastery · self-possession · patience · forbearance · steadfastness · level-headedness · sobriety · prudence

impassivity

stoicism

Uncomplaining acceptance of difficulty

stolidity · insensibility · indifference · coldness · numbness · aloofness · unresponsiveness · blankness · flatness · woodenness

Opposites
emotional reactivity

inexcitabilityexcitability

Proneness to strong reactions

volatility · excitableness · hot-headedness · nervousness · impulsivity

physiological responsiveness

inexcitabilityexcitability

Proneness to strong reactions

hyperreactivity · reactivity · hypersensitivity · irritability · arousability

Family

excitability, excitable, excite, excited, excitedly, excitement, excites, exciting, excitingly

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