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Definitions

excitability

[ik-sahy-tuh-bil-i-tee] / ɪkˌsaɪ təˈbɪl ɪ ti /
NOUN
emotion
Synonyms
STRONGEST
affection anger concern desire despair empathy excitement feeling fervor grief happiness joy love passion pride rage remorse sadness sentiment shame sorrow sympathy warmth
STRONG
affect agitation ardor commotion despondency disturbance drive ecstasy elation inspiration melancholy perturbation responsiveness satisfaction sensation sensibility sensitiveness thrill tremor vehemence vibes zeal
WEAK
affectivity gut reaction
Antonyms
STRONGEST
apathy calm calmness cheer dislike happiness hate hatred indifference joy peace sadness sorrow unhappiness woe
STRONG
depression lethargy quiet stillness tranquility
WEAK
physicality
NOUN
feeling
Synonyms
STRONGEST
awareness excitement feel pain perception pleasure reaction sense sensitivity
STRONG
activity consciousness enjoyment excitation innervation motility perceiving receptivity reflex responsiveness sensibility sensuality tactility tangibility titillation
WEAK
motor response
Antonyms
STRONGEST
insensitivity
WEAK
concrete insensibility numbness thing unconsciousness
NOUN
indiscretion
Synonyms
STRONGEST
error gaffe lapse miscue misjudgment recklessness
STRONG
crudeness folly foolishness gaucherie goof goof-up hastiness imprudence indiscreetness ingenuousness rashness slip slipup stumble stupidity tactlessness thoughtlessness unseemliness
WEAK
bumble dropping the ball dumb move faux pas fool mistake foul-up misspeak naïveté screwup slip of the tongue
Antonyms
STRONGEST
correction
STRONG
judgment seriousness thoughtfulness wisdom
WEAK
care discreetness discretion right
NOUN
inquietude
Synonyms
STRONG
activity agitation ailment ants anxiety bustle disquiet disquietude disturbance edginess ferment fitfulness fretfulness hurry inconstancy insomnia instability jitters jumpiness movement nervousness restiveness transience turbulence turmoil unease uneasiness unrest
WEAK
antsiness unsettledness worriedness
Antonyms
STRONG
calm calmness collectedness ease happiness harmony inactivity laziness order peace rest tranquility
NOUN
irascibility
Synonyms
STRONG
acerbity anger annoyance crossness dander fit fretfulness furor fury heat huffiness impatience ire irritability irritation miff outburst passion peevishness petulance pugnacity rage resentment sensitivity snit sourness spleen stew sullenness surliness tantrum tartness tear temperament tetchiness tiff touchiness wax
WEAK
bad humor cantankerousness grouchiness hotheadedness ill humor irascibleness low boiling point short fuse slow burn
Antonyms
STRONG
calm calmness contentment control ease enjoyment happiness harmony joy peace pleasure
NOUN
irascibleness
Synonyms
WEAK
acerbity anger annoyance bad humor cantankerousness crossness dander fit fretfulness furor fury grouchiness heat hotheadedness huffiness ill humor impatience irascibility ire irritability irritation low boiling point miff outburst passion peevishness petulance pugnacity rage resentment sensitivity short fuse slow burn snit sourness spleen stew sullenness surliness tantrum tartness tear temperament tetchiness tiff touchiness wax
NOUN
irritation
Synonyms
STRONGEST
inflammation irritability soreness tenderness
STRONG
hypersensitivity oversensitiveness rawness susceptibility susceptibleness tenseness
WEAK
oversensitivity
NOUN
jitters
Synonyms
STRONGEST
anger stage fright tension turbulence uneasiness worry
STRONG
agitation animation butterflies creeps delirium discomfiture disquiet disquietude dithers feverishness fidget fidgets flap fluster fuss impatience jump jumps moodiness neurasthenia neuroticism perturbation quivers sensitivity shakes shiver stimulation stress timidity tizzy to-do touchiness tremble trembles willies
WEAK
all-overs cold sweat tremulousness
Antonyms
STRONGEST
calmness peace
STRONG
calm discouragement ease
NOUN
nervousness
Synonyms
STRONGEST
agitation anger disquiet impatience jitters sensitivity stage fright stress tension turbulence uneasiness worry
STRONG
animation butterflies creeps delirium discomfiture disquietude dithers feverishness fidgets flap fluster fuss jumps moodiness neurasthenia neuroticism perturbation quivers shakes stimulation timidity tizzy to-do touchiness trembles willies
WEAK
all-overs cold sweat tremulousness
Antonyms
STRONGEST
calm calmness ease peace relaxation
STRONG
discouragement
WEAK
collectedness
NOUN
restiveness
Synonyms
STRONG
activity agitation ailment ants anxiety bustle disquiet disquietude disturbance edginess ferment fitfulness fretfulness hurry inconstancy inquietude insomnia instability jitters jumpiness movement nervousness transience turbulence turmoil unease uneasiness unrest
WEAK
antsiness unsettledness worriedness
Antonyms
STRONG
calm calmness collectedness ease happiness harmony inactivity laziness order peace rest tranquility
NOUN
restlessness
Synonyms
STRONGEST
agitation anxiety disquiet ferment insomnia instability jitters nervousness uneasiness
STRONG
activity ailment ants bustle disquietude disturbance edginess fitfulness fretfulness hurry inconstancy inquietude jumpiness movement restiveness transience turbulence turmoil unrest
WEAK
antsiness unsettledness worriedness
Antonyms
STRONGEST
calm calmness collectedness ease happiness peace
STRONG
harmony inactivity laziness order rest tranquility
WEAK
contentedness relaxation restfulness
NOUN
short fuse
Synonyms
WEAK
acerbity anger annoyance bad humor cantankerousness crossness dander fit fretfulness furor fury grouchiness heat hotheadedness huffiness ill humor impatience irascibility irascibleness ire irritability irritation low boiling point miff outburst passion peevishness petulance pugnacity rage resentment sensitivity slow burn snit sourness spleen stew sullenness surliness tantrum tartness tear temperament tetchiness tiff touchiness wax
NOUN
soreness
Synonyms
STRONGEST
inflammation irritability tenderness
STRONG
hypersensitivity oversensitiveness rawness susceptibility susceptibleness tenseness
WEAK
oversensitivity
NOUN
temper
Synonyms
STRONGEST
anger fury impatience ire outburst passion rage resentment sensitivity tantrum
STRONG
acerbity annoyance crossness dander fit fretfulness furor heat huffiness irascibility irritability irritation miff peevishness petulance pugnacity snit sourness stew sullenness surliness tartness tear tiff touchiness wax
WEAK
bad humor cantankerousness grouchiness hotheadedness ill humor short fuse slow burn
Antonyms
STRONGEST
calm calmness contentment happiness peace
WEAK
upset wrath
NOUN
tetchiness
Synonyms
STRONG
acerbity anger annoyance crossness dander fit fretfulness furor fury heat huffiness impatience irascibility ire irritability irritation miff outburst passion peevishness petulance pugnacity rage resentment sensitivity snit sourness spleen stew sullenness surliness tantrum tartness tear temperament tiff touchiness wax
WEAK
bad humor cantankerousness grouchiness hotheadedness ill humor irascibleness low boiling point short fuse slow burn
Antonyms
STRONG
calm calmness contentment control ease enjoyment happiness harmony joy peace pleasure
NOUN
unease
Synonyms
STRONGEST
agitation anxiety disquiet edginess ferment instability jitters nervousness turbulence turmoil uneasiness unrest
STRONG
activity ailment ants bustle disquietude disturbance fitfulness fretfulness hurry inconstancy inquietude insomnia jumpiness movement restiveness transience
WEAK
antsiness unsettledness worriedness
Antonyms
STRONGEST
calm calmness collectedness ease happiness harmony peace tranquility
STRONG
inactivity laziness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers looked at problem behaviour such as a fear of traffic or loud noises, separation-related issues or excitability.

From BBC • Mar. 18, 2026

His team used a genetically modified mouse model that overexpresses the Grik4 gene, which increases the production of GluK4-type glutamate receptors and heightens neuronal excitability.

From Science Daily • Nov. 4, 2025

That is a version of neurodivergence over excitability, high-achieving, profound subtle awareness and attunement.

From Los Angeles Times • Oct. 15, 2025

Cortical excitability is a vital part of brain function.

From Science Daily • Nov. 27, 2024

“My assessment,” the doctor writes, “is that he will be able to recover in a short time, while retaining the extreme excitability that must form the essence of his character.”

From "Vincent and Theo: The Van Gogh Brothers" by Deborah Heiligman