What are the opposite words for tip off?

Tip off is a phrasal verb that denotes the act of giving someone information or warning about something in advance. Therefore, its antonyms will be words that represent the opposite or negate the meaning of it. The antonyms for tip off include obscure, confound, deceive, and mislead. Obscure means to make something unclear or difficult to understand. Confound denotes the act of confusing someone by making something difficult to understand or identify. Deceive means to intentionally mislead or give false information to someone. Mislead indicates the act of leading someone astray or providing false guidance. These words represent the antonyms for "tip off" as they imply actions that negate its meaning.