The antonyms for the word "devoting to" can be quite diverse, depending on the context in which it is used. One antonym could simply be "neglecting," meaning the opposite of giving time or attention to something. Another antonym could be "abandoning," which implies a complete lack of commitment or willingness to give any time or attention. Alternatively, "withdrawing" or "retreating" could be antonyms, which imply a reduction or ceasing of effort towards a particular task or goal. Ultimately, the antonyms for "devoting to" will differ depending on the situation and the actions that are being contrasted.