The antonyms for the phrase "gives thought to" include ignoring, idling, neglecting, disregarding, and avoiding. These words indicate a lack of interest or concern towards a particular matter, idea or person. When we ignore or neglect something, we fail to take the time to consider it deeply or give it proper attention. On the other hand, idling or avoiding can imply laziness or procrastination in addressing an issue or idea. It is important to give thought to important matters in life, therefore, we should try to avoid these antonyms and be proactive in considering different perspectives and viewpoints.