From Longman Business Dictionaryyear to dateˌyear to ˈdate written abbreviation YTD noun [singular]ACCOUNTING the period from the beginning of a CALENDAR YEAR or FINANCIAL YEAR until the present time, used especially to talk about the amount of sales or profit in a particular periodFor the year to date, sales of domestically made cars and trucks were down 17%. —year-to-date adjectiveThe industry’s year-to-date car sales were down 5.7%.