The phrase "didst justice to" means to treat someone or something in a fair and appropriate manner. The antonyms for "didst justice to" include words such as "treated unfairly," "neglected," "mistreated," and "ignored." These words imply that a certain individual or group has been dealt with poorly and that their needs or rights have been disregarded. Conversely, antonyms for "didst justice to" can also include positive words such as "admired," "praised," "respected," and "appreciated." These words indicate that a person or thing has been treated with the respect and acknowledgement that they deserve.