The term "bringing up" can be used to refer to the act of raising a child or discussing a topic in a conversation. Some antonyms for this term include ignoring, neglecting, avoiding, suppressing, or denying. Ignoring refers to not paying attention to something or someone, while neglecting means failing to meet their needs. Avoiding and suppressing mean to avoid or suppress something that is unpleasant or uncomfortable. Lastly, denying means to reject or refuse to acknowledge something that is true or valid. These antonyms indicate a lack of attention or effort towards something, which is the opposite of bringing up on.