1. Not having enough cash, or not easily converted into cash 
2. (of a market) having a low activity volume

Encyclopedia: Illiquid

• infatuation
• infeasibility
• infeasible
• infect
• infected
• infection
• infectious
• infectious agent
• infectious disease
• infectious hepatitis
• infectious mononucleosis
• infectious polyneuritis
• infectiously
• infectiousness
• infective
• infective agent
• infecund
• infelicitous
• infelicitously
• infelicity
• infer
• inferable
• inference
• inferential
• inferior