Antonyms for the phrase "take under consideration" would include disregard, ignore, reject, dismiss, and overlook. These words imply a lack of concern or interest in something, disregarding it as unimportant or irrelevant. They convey the opposite of "take under consideration," which means to carefully consider or examine something, giving it due weight and attention. When you disregard or ignore something, you fail to give it the attention it deserves or overlook its significance. In contrast, taking something under consideration demonstrates thoughtfulness and deliberation in decision-making, giving a thorough evaluation of all aspects before making a final conclusion.