"Nearly all" means almost everything or mostly everything. There are several synonyms for this phrase, including "practically all," "virtually all," "almost all," "nearly every," and "the majority." These terms emphasize that a vast majority of something falls under the category being discussed. Other similar phrases that convey a similar meaning include "most of," "the bulk of," "almost entirely," and "almost completely." These synonyms can be used in various contexts, such as talking about a group of people, the amount of a certain product sold, or the percentage of a particular outcome. Using these synonyms can help to add variety to your writing or conversation.