one·self (w?n-s?lf?) also one’s self (w?n s?lf?, w?nz s?lf?)pron.1. One’s own self:a. Used reflexively as the direct or indirect object of a verb or the object of a preposition: One can congratulate oneself on one’s victories.b. Used in an absolute construction: When in charge oneself, one may rearrange the committees as one pleases.2. One’s normal or healthy condition or state.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.oneself (w?n?s?lf) pron1. a. the reflexive form of one20, one21b. (intensifier): one doesn’t do that oneself. 2. (preceded by a copula) one’s normal or usual self: one doesn’t feel oneself after such an experience. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014one?self or one’s self (w?n?s?lf, w?nz-) pron. a person’s self (used as a reflexive or emphatic form of one): One should be able to laugh at oneself. Idioms: 1. be oneself, a. to be in one’s normal state of mind or physical condition. b. to be unpretentious and sincere. 2. by oneself, a. without a companion; alone. b. through one’s own efforts; unaided. [1540?50] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.