The phrase "more obtaining" refers to the process of acquiring or gaining additional possessions, knowledge, or skills. The antonym of this term would be "less obtaining," which means to have or receive fewer things. Another antonym could be "giving away," which means to donate or relinquish possessions rather than acquiring them. Furthermore, "less achieving" could also serve as an antonym, indicating the opposite of obtaining, accomplishing less, or failing to reach objectives. In summary, while obtaining means gaining more of something, its antonyms include less obtaining, giving away, and less achieving.