/ Dictionary / Index O oscillate: Meaning and Definition of Find definitions for: os•cil•late Pronunciation: (os'u-lāt"), [key] — v., -lat•ed, -lat•ing. —v.i. to swing or move to and fro, as a pendulum does. to vary or vacillate between differing beliefs, opinions, conditions, etc.: He oscillates regularly between elation and despair. to have, produce, or generate oscillations. (of a function, sequence, etc.) to tend to no limit, including infinity: The sequence 0, 1, 0, 1, … oscillates. —v.t. to cause to move to and fro; vibrate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oscillate (Thesaurus) Osceola oscillating engine Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language