1. Absolutely not; no chance. A: "Billy, please unload the dishwasher for me." B: "No way! It's Janet's turn."
2. An expression of surprise. A: "Jim got an A on his final exam!" B: "No way! That's great news!
See also: way
Inf. No! Me join the Army? No way! She can't do that. No way!
exclam. No! (Compare this with Way!) She can’t do that. No way!