The word "yakkety-yak" refers to senseless or endless talk. Its antonyms are words that represent the opposite meaning, such as silence, brevity, succinctness, and conciseness. These words indicate a lack of talk or a preference for keeping things short and sweet. Silence is the absence of sound, making it the extreme opposite of yakking. Brevity means saying something in very few words, being concise and direct. Succinctness is similar, meaning saying something in a well-expressed, short, and to-the-point manner. Conciseness focuses on delivering information without extra or unnecessary words. All of these words present a contrast to the loquacious and rambling meaning of "yakkety-yak.