Synonyms for negative

adjective

• designed or tending to discredit, especially without positive or helpful suggestions
• not indicating the presence of microorganisms or disease or a specific condition
• involving disadvantage or harm
• having a negative charge
• characterized by or displaying negation or denial or opposition or resistance; having no positive features
• expressing or consisting of a negation or refusal or denial
• having the quality of something harmful or unpleasant
• less than zero

verb

• vote against; refuse to endorse; refuse to assent

noun

• a piece of photographic film showing an image with light and shade or colors reversed
• a reply of denial

• reckoned in a direction opposite to that regarded as positive