When it comes to antonyms for the phrase "took account of," there are several options to consider. Some of the most common antonyms include ignored, overlooked, neglected, disregarded, dismissed, and omitted. These words imply a lack of attention or consideration, indicating that something wasn't taken into account. Ignoring something can be intentional or accidental, but either way, it means that it wasn't considered in the decision-making process. Overlooking suggests that something was missed because it wasn't noticed or recognized as important. Neglecting something means that it wasn't given the necessary attention or care. Disregarding something means that it was deliberately ignored or overlooked. Finally, omitting means that something was not included in the account at all.