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).
(dÄ­-lÄtâ²) tr.v. deÂ·letÂ·ed, deÂ·letÂ·ing, deÂ·letes. 1. a. To cancel, strike out, or make impossible to be perceived: deleted the expletives from the transcript with a marker. b. To remove from a document or record: deleted the names from the computer file. See Synonyms at erase.