The word "de-moralizes" can be defined as the act of causing someone to lose their faith, hope, or confidence. Some antonyms for "de-moralizes" include: uplift, inspire, encourage, embolden, invigorate, energize, empower, reassure, bolster, and fortify. These words are all opposite in meaning to "de-moralizes" as they are centered around building up someone's morale and providing them with a sense of confidence and belief in their abilities. Whether it be through kind words, a motivating pep talk, or simply being a supportive presence in someone's life, these actions can have a powerful effect on improving someone's morale and overall well-being.