Tipoffs, an expression that represents knowledge or information provided in advance, can be described as the opposite of guesses, speculation, or uncertainty. The antonyms for the word tipoffs could include terms like misdirection, disinformation, or stonewalling. These are strategies aimed at purposefully misleading, lying, or obstructing communication. Other antonyms could be misinformation or misunderstandings, where knowledge is not based on facts or accurate data. It is essential to be cautious about the accuracy of any tipoff, verify it before acting or making decisions. In some cases, a lack of tipoff can be equally important for successful outcomes.