If you are outclassed by someone, they are a lot better than you are at a particular activity. Mason was outclassed by Lennox Lewis in his tragic last fight at Wembley Few city hotels can outclass the Hotel de Crillon
If one thing outclasses another thing, the first thing is of a much higher quality than the second thing. These planes are outclassed by the most recent designs from the former Soviet Union The story outclasses anything written by Frederick Forsyth. to be or do something much better than someone or something else