inflation in WordNet English dictionary

1. the act of filling something with air
   inflation 
   
2. lack of elegance as a consequence of being pompous and puffed up with vanity
   ostentation  ostentatiousness  pomposity  pompousness  pretentiousness  puffiness  splashiness  inflation 
   
3. (cosmology) a brief exponential expansion of the universe (faster than the speed of light) postulated to have occurred shortly after the big bang
   inflation 
   
4. a general and progressive increase in prices
   "in inflation everything gets more valuable except money"
   inflation  rising prices