Definition of volatile for English Language Learners. : 1  likely to change in a very sudden or extreme way. : 2  having or showing extreme or sudden changes of emotion. : 3  likely to become dangerous or out of control.
expletive (plural expletives) 1  A profane, vulgar term, notably a curse or obscene oath. ( 2 linguistics) A word without meaning added to fill a syntactic position. ( 3 linguistics) A word that adds to the strength of a phrase without affecting its meaning; an intensifier.
exclamation noun [C]. âº something you say or âshout âsuddenly because of âsurprise, âfear, âpleasure, etc.: an exclamation of âdelight. More examples. 1  We all â jumped up from â our â seats, with exclamations of â surprise. 2  The man gave an exclamation and â clasped both â hands to his â chest. 3  We â heard exclamations of â rage and â frustration coming from the other â room as he â struggled to â fix the â problem.