bitching vs most

bitching

• Excellent; outstanding. 

• Awful, terrible. 

• A spiteful criticism or complaint. 

most

• To a great extent or degree; highly; very. 

• Almost. 

• Forms the superlative of many adjectives. 

• A record-setting amount. 

• The greatest amount. 

• The greater part. 

• The greater part of a group, especially a group of people.