Definitions for "Gharar"
Selling something which has not yet been obtained. For example, selling eggs which have not yet been hatched.
a deceptive or unclear practice. The Arabic root means deception. The term cov-ers a range of unacceptable business practices which range from fraud, to market manipu-lation, to taking advantage of a consumer. For instance, any contractual situation in which one party stands to be disadvantaged due to ignorance or incomplete information is sub-ject to gharar, and not acceptable in the Sharia'a. Islamic protections against gharar are very similar to Western consumer protection statutes.
Uncertainty, hazard, chance or risk, ambiguity and uncertainty in transactions.