Definition of excitable in English:



  • 1Responding too readily to something new or stimulating; easily excited.

    ‘a rather excitable young man’
    • ‘The easily excitable man with the curly hair has decided to join myself and Jared in this little experiment and has already posted his first song.’
    • ‘The most easily excitable ones immediately interpreted his comments to mean that he thought women were dumb.’
    • ‘The Artisan Child is highly active, easily excitable, likes taking risks and getting into mischief.’
    • ‘Cattle from one source were calm and handled easily, whereas cattle from the other source were easily excitable and difficult to handle.’
    • ‘Evidentally, this is an effective way for her to keep herself calm because she is easily excitable.’
    • ‘They are passionate, excitable and talkative about all sport - at least sport as it is played Down Under where, by the way, this column is coming to you from.’
    • ‘It is not true, she says, that the English are not emotional or excitable.’
    • ‘There's a word we have for friends that can be a little emotional like that: excitable.’
    • ‘Such erratic behaviour, it would emerge, was typical of Wilson, a man known in the local community as being a quiet, if excitable, young man, of rather low intelligence.’
    • ‘The president, meanwhile, seemed excitable, edgy and sometimes ungrounded.’
    • ‘He drank round the clock, became tense, excitable and uninterested in what he himself had created.’
    • ‘He is a very excitable young man who absolutely loves what he does.’
    • ‘His coolly rationalist approach to religion was complemented by an excitable temperament and a taste for the picaresque.’
    • ‘Once again, plenty of turn-out time and correct feeding for the type of work the horse is doing, will help to calm an excitable temperament.’
    • ‘They have to be more patient, less emotional, more deliberative, less excitable.’
    • ‘In the first phase of his public career before 1914 he was widely regarded as a young man in a hurry who was self-centred and excitable.’
    • ‘‘There is an overly excitable mood amongst the political classes, and the game is far from clear yet,’ says one senior government source.’
    • ‘Where else but my established favorite place of relaxation, where my ever excitable brain can, and often does, fall peacefully asleep in mid-debate.’
    • ‘Research has shown even casual smoking during pregnancy can make newborn babies jittery, more excitable and more difficult to console than babies born to non-smokers.’
    • ‘Once the heat of the day has passed and the sun starts to set, a steady trickle of excitable youngsters drag their parents and grandparents to the banks of the river.’
    temperamental, mercurial, volatile, emotional, sensitive, highly strung, easily upset, easily agitated, easily frightened, unstable, nervous, tense, brittle, edgy, jumpy, twitchy, skittish, unsettled, uneasy, neurotic
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  • 2(of tissue or a cell) responsive to stimulation.

    ‘these alkaloids act on nerve cells to make them more excitable’
    • ‘The authors review excitable membrane potentials and neurotransmitters.’
    • ‘Heart cells, like other electrically excitable cells, become inexcitable for a brief period after each action potential.’
    • ‘Voltage-sensitive Na + channels are responsible for the upstroke of the action potential in excitable cells.’
    • ‘Voltage-gated sodium channels are found in most excitable tissues like nerve, heart, and muscle.’
    • ‘First, lots of excitable tissues have narrow calcium channels and multiple connections.’
    • ‘The voltage-gated Na + channel is critical for depolarization and conduction in most excitable cells.’
    • ‘Voltage-gated channels are essential proteins for the functioning of excitable tissues.’
    • ‘Cellular calcium dynamics are subject to stringent spatio-temporal control, especially in excitable cells.’
    • ‘Potassium channels play fundamental roles in excitable cells.’
    • ‘So far, models for electrically excitable cells only could predict enhancement of calcium load during release.’
    • ‘Other studies demonstrated wavelength-dependent responses in excitable cells.’
    • ‘K + channels are a large and diverse group of proteins that occur in most membranes of excitable and inexcitable cells.’
    • ‘However, the sodium channel inactivation gates are open in the hyperpolarized virtual anode region, causing the tissue to be excitable.’
    • ‘It is the most excitable part of the neuron and the site at which the nerve impulse is initiated.’
    • ‘It is demonstrated that gel-immobilized cell organelles reveal features of an excitable medium.’



/ɪkˈsʌɪtəb(ə)l/ /ɛkˈsʌɪtəb(ə)l/