Definition of "Negative" :
noun: a piece of photographic film showing an image with light and shade or colors reversed
noun: a reply of denial
"He answered in the negative."
verb: vote against; refuse to endorse; refuse to assent
adjective: involving disadvantage or harm
"Minus (or negative) factors."
adjective: expressing or consisting of a negation or refusal or denial
adjective: having a negative charge
"Electrons are negative."
adjective: designed or tending to discredit, especially without positive or helpful suggestions
"Negative criticism."
adjective: having the quality of something harmful or unpleasant
"Ran a negative campaign."
adjective: characterized by or displaying negation or denial or opposition or resistance; having no positive features
"A negative outlook on life."
adjective: less than zero
"A negative number."
adjective: reckoned in a direction opposite to that regarded as positive
"Negative interest rates."
adjective: not indicating the presence of microorganisms or disease or a specific condition
"The HIV test was negative."