inflation-n; 4 Senses

Sense Number 1: devaluation

Commentary: A general economic term for an increase in prices and a resulting devaluation of currency. Also used for similar devaluations, such as grade inflation.

The 1920s were a period of rampant inflation.
The Inflation Index has reached dangerously high levels recently.
Gasoline seemed cheaper ten years ago, but maybe it's just inflation.
Top-ranked schools have witnessed an inflation of grade-point averages since the nineteen-sixties.

WordNet 2.0 Sense Numbers: 1

Sense Number 2: filling with air

Commentary: INFLATION[+event] The act of filling something, such as a balloon, with air.

The inflation of the air mattress took all night, mostly because we have poor lung capacity.
Upon inflation, the balloon began to rise.

WordNet 2.0 Sense Numbers: 4

Sense Number 3: universe expansion

Commentary: In cosmology, refers to the faster-than-light expansion of the Universe in the moments after the Big Bang.

Inflation is a general term for models of the Universe which involve short periods of extremely fast expansion.

WordNet 2.0 Sense Numbers: 2

Sense Number 4: pretentiousness

Commentary: A personal quality; lacking elegance because of vanity. Pompousness, ostentatiousness, splashiness.

After a few minutes, I began to find John's inflation annoying.

WordNet 2.0 Sense Numbers: 3