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 (comparative more expletive, superlative most expletive) 1  Serving to fill up, merely for effect, otherwise redundant. 2  Marked by expletives (phrase-fillers).
2. to dispossess (a person) of ownership. 3. to take from another and use as one's own: expropriated ideas. expropriÄtus, past participle of expropriÄre to deprive of property = Latin ex-ex - 1 + Medieval Latin propriÄre to appropriate]. exâ¢proâ²priâ¢aâ¢ble (-É bÉl) adj.