The next time you yawn look around because seeing is believing underline the idiom in the sentence

definition was not one of the four methods

whats the question you didnt post a question

explanation:

voracity is the noun corresponding to the adjective voracious, which means (1) eager to consume a great amount of food, or (2) marked by an insatiable appetite. veracity is far more common than the rare voracity, so the latter is sometimes used in place of the former.