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.
Ex is slang and is defined as a past partner. An example of an ex is a husband from a previous marriage. Ex means without. An example of ex used as a preposition is in the latin legal phrase ex parte which means by or for one party, without any of the parties having to be present. Ex is defined as to get rid of or cross something out. An example of to ex is to cross an item off a shopping list.