ಅರ್ಥ : Not indicating the presence of microorganisms or disease or a specific condition.
							ಉದಾಹರಣೆ : 
							The HIV test was negative.
							
ಸಮಾನಾರ್ಥಕ : negative
Indicating existence or presence of a suspected condition or pathogen.
A positive pregnancy test.ಅರ್ಥ : Establishing as invalid or untrue.
ಸಮಾನಾರ್ಥಕ : invalidating