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negative

negative

180 3.7
Not showing a disease or condition in a test
  • adjective
  • /ˈnɛɡətɪv/
  • Specialized
translation icon : negativo
  • He's had his hand x-rayed, and it was negative for a break.
  • a negative test
  • HIV negative
  • a negative result

Fraser's PCR test came back negative this morning, so he went off to school.

Examples

  • His COVID-19 test returned negative, allowing him to return to work safely.

  • I had my PET scan and came back negative on the cancer.

  • The rest of her history was negative, and her physical was normal.

    Fiction book (1993)
  • The test came back negative.

  • There could be several reasons why the test on her was negative.

  • The tests came back negative.

  • But our scans came back negative.

  • Fraser's PCR test came back negative this morning, so he went off to school.

  • Dr. Taney says the x-rays are negative.

  • Her serum angiotensin-converting enzyme level was normal, and she tested negative for urine histoplasma antigen.

    Academic text (2008)

Synonyms

neg
vsnegative
  • Informal
1 8.9

A test result that shows no sign of a disease

is the full formal term rather than the shorthand
unpositive
vsnegative
  • Specialized
7.7

A test result that shows no sign of the condition

is the usual scientific label for that absent result
disconfirming
vsnegative
  • Specialized
8.1

A test result that shows a disease is not in the body

applies to a single test result showing absence rather than broader evidence
nonreactive
vsnegative
  • Specialized
4.8

Shows no sign of infection or disease in a medical test

denotes absence by lack of reaction rather than by broader measurement

Antonyms

positive
  • Specialized
373 4.1

Shows that a disease or substance is present

Compounds

A way of thinking that expects bad things to happen

negative feedback
  • Specialized
10 3.9

Part of a system's output that is sent back to reduce change and keep it stable

5 5.8

A simple, harmful idea about a group of people

A bad way to show or talk about something

3 5.6

A sentence that uses two negative words in the same clause

negative charge
  • Specialized
2 4.1

A state when an object has more electrons than protons and so attracts positive objects, for example a rubbed balloon

negative correlation
  • Specialized
1 4.6

A connection between two things where one goes up as the other goes down

A tendency to expect bad things to happen

An account amount below zero when you owe money to the bank

negative Nancy
  • Offensive
1 8.9

A person who always expects bad things to happen

negative Nelly
  • Offensive
1 8.2

A person who always expects the worst and often complains

Something unpleasant that makes an action less likely

Rh-negative blood
  • Specialized
1 5.0

Blood with red blood cells that do not have the Rh factor

7.3

The end of a magnet that points toward the Earth's south

negative muon
  • Specialized
9.9

A tiny charged particle that lasts about 2 microseconds and becomes an electron and two neutrinos

Negative Ned
  • Offensive
8.7

A person who always sees the bad side of things

negative pole
  • Specialized
3.9

The end of a magnet that points toward the Earth's south

negative bitchola
  • Offensive
9.9

A person who often thinks things will go wrong and complains

negative chemotaxis
  • Specialized
7.8

Movement of a cell or small organism away from a chemical

4.6

An electronic system that returns part of the output to reduce and steady the signal

7.7

A way to show someone is not one of the known people so they cannot make multiple accounts

negative pole
  • Specialized
4.0

The end of a battery marked with a minus sign that connects to the black wire

negative reinforcer
  • Specialized
7.9

Taking away something unpleasant makes a person or animal do something more often

A thing taken away to make an action less likely, for example leaving a room when a child cries

An unpleasant thing that makes someone feel bad or lose interest

6.0

A blood group in which red blood cells do not have the Rh factor

Rh negative
  • Specialized
6.8

Having blood whose red blood cells do not have the Rh factor

How Conclusive

conclusive
65 4.8
disconfirming
  • Specialized
8.1
negative
  • Specialized
180 3.7
uncertain
149 2.8
inconclusive
55 6.5

Surface Forms

negative positive
negativer comparative
negativest superlative

Morphology

negative = negate (transparent) = negate + ive

The medical/scientific sense 'not showing presence' follows directly from the notion of negation/absence and is predictable from the base.

Etymology

Negative comes from the Latin verb negare 'to deny', so a negative test result means it does 'not' show the disease or condition — in other words, 'no' sign of it was found.