If you describe someone as ~, you mean that they behave in a rather nervous way and become excited very easily.
Mary sat beside Elaine, who today seemed ~...
ADJ
excitability
She has always been inclined to excitability.
N-UNCOUNT
If you describe someone as ~, you mean that they behave in a rather nervous way and become excited very easily.
Mary sat beside Elaine, who today seemed ~...
ADJ
excitability
She has always been inclined to excitability.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012