What is another word for know backwards and forwards?
Pronunciation: [nˈə͡ʊ bˈakwədz and fˈɔːwədz] (IPA) 
The phrase "know backwards and forwards" refers to a thorough and comprehensive understanding of a subject or skill. Some synonyms for this expression include "know inside out," "know like the back of one's hand," and "know by heart." Other similar phrases include "know forward and backward," "know thoroughly," and "be intimately familiar with." These expressions all convey a strong level of knowledge, expertise, and understanding of a particular subject or skill. Whether you're talking about a topic in academia, a particular skillset, or a hobby, using these synonyms can help emphasize your level of mastery and expertise.
