inflated

1. Filled or expanded by or as if by gas or air.
2. Unduly enlarged or aggrandized; swollen: an inflated estimate; an inflated ego.
3. Full of empty or pretentious language; bombastic.
4. Raised or expanded to abnormal levels: an inflated economy; inflated wages.
5. Hollow and enlarged: an inflated calyx.

adjective

Filled up with or as if with something insubstantial: flatulent, overblown, tumescent, tumid, turgid, windy. See increase/decrease, plain/fancy.

Definition: exaggerated
Antonyms: deflated, humble, shrunken

The adjective has 4 meanings:

Meaning #1: enlarged beyond truth or reasonableness
  Synonyms: exaggerated, hyperbolic

Meaning #2: expanded by (or as if by) gas or air
  Antonym: deflated (meaning #2)

Meaning #3: (informal) pretentious
  Synonyms: high-flown, high-flying, high-sounding

Meaning #4: increased especially to abnormal levels
  Synonym: raised