The phrase "all and singular" is an archaic way of referring to every individual or every detail of a group. Today, there are many other words and phrases that can be used as synonyms for "all and singular." Some examples include "one and all," "each and every one," "the whole lot," "every single person," "all who are present," "the complete group," and "every last one." These alternatives can help to modernize and clarify the meaning of the phrase, making it more accessible for contemporary readers and speakers. By using synonyms, we can express ourselves more effectively and ensure that our messages are understood by everyone.