big-ticket adjective 2big ticket noun 2forms 1 adjective2 •Costly or expensive; having a high price.Doing careful research before purchasing big-ticket items such as electronics, appliances, and automobiles can ensure that an investment lasts for many years. •Of major importance or prominence. big ticket noun2 •(figurative) A high price; a large expense.Paying for postsecondary education is a big ticket above and beyond life-cycle saving for retirement. — 2001 •(figurative) Something of major importance; the crux.Some leave the field of play for a while to come back mostly for the big ticket moments. — 2013 formsbig tickets