unreactive

USAGE SUMMARY

"unreactive" is a correct and usable word in written English.
You can use it to describe something that is not responsive to external stimuli, or that does not respond quickly and actively. For example, "She is a very unreactive person; she rarely responds to conversations or events around her."

✓ Grammatically correct

Science

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

28 human-written examples

Napoleon III had the money to try using aluminium which, although mostly unreactive because of a protective oxide layer, discolours easily.

The Guardian - Tech

The noble gases such as helium remain aloof and unreactive, while the alkali metals can be expected to be silvery and reactive.Such certainties are now being questioned by work showing that special clusters of atoms behave in unexpected ways.

The Economist

The whole class of noble metals (so called because they are snobbishly unreactive with other elements) behaved in this way.

The Economist

The antineutrinos that accompany the beta decay of the fission products are unreactive, and their kinetic energy (about 10 MeV per fission) is not recovered.

Encyclopedia Britannica

Removal of the occipital cortex, although it causes blindness in the opposite visual field, does not destroy the reaction of the pupils to light; if the optic nerve is cut, however, the eye will be both completely blind and also unreactive to light falling on this eye.

Encyclopedia Britannica

Foodstuffs that are oxidized by molecular oxygen during respiration are quite unreactive with oxygen before ingestion.

Encyclopedia Britannica

At least 1 2 percent of DOC in surface waters occurs as lipids and 20 25 percent as relatively unreactive humic substances.

Encyclopedia Britannica

The noble gases most often helium and argon, the least expensive are used to provide chemically unreactive environments for such operations as cutting, welding, and refining of metals such as aluminum (atmospheric oxygen and, in some cases, nitrogen or carbon dioxide would react with the hot metal).

Encyclopedia Britannica

Vinylic halides differ from alkyl halides in being essentially unreactive toward nucleophilic substitution.

Encyclopedia Britannica

The NO2, excess oxygen, and the unreactive nitrogen from the air are passed through a water spray, where HNO3 and NO form as the NO2 disproportionates.

Encyclopedia Britannica

In equilibrium with the atmosphere, the concentrations of the unreactive gases, nitrogen and argon, in seawater (0 °C [32 °F], salinity 35) are 616 micromoles/kg and 17 micromoles/kg, respectively.

Encyclopedia Britannica

Expert writing Tips

Best practice

In medical contexts, use "unreactive" to describe a patient's lack of response to stimuli, such as light or pain.

Common error

Avoid using "unreactive" when you simply mean something is not currently active. "Unreactive" implies an inherent inability or resistance to react, whereas "inactive" suggests a temporary state.

Linguistic Context

The adjective "unreactive" primarily functions to describe a noun that does not readily undergo chemical reactions or show responsiveness to external stimuli. As Ludwig AI indicates, it's a correct and usable term.

Expression frequency: Common

Frequent in

Encyclopedias

32%

News & Media

32%

Science

36%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "unreactive" is a versatile adjective used to describe a lack of responsiveness or chemical activity. Ludwig AI confirms its grammatical correctness and usability. It is most commonly found in scientific, encyclopedic, and news contexts, with its synonyms including "inert", "non-responsive", and "passive". When using "unreactive", it's important to distinguish it from "inactive", which denotes a temporary state. Remember to use "unreactive" when describing materials or substances inherently resistant to change or interaction.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

non-responsive

Focuses on the lack of response to stimuli.

unresponsive

Directly indicates a failure to respond.

inert

Emphasizes a lack of chemical activity or vitality.

inactive

Highlights the absence of activity or participation.

sluggish

Suggests a slow or delayed reaction.

passive

Implies acceptance or submission without active response.

motionless

Describes a state of complete lack of movement or activity.

stagnant

Indicates a lack of progress or development.

torpid

Implies a state of dormancy or reduced activity.

lethargic

Suggests a lack of energy or enthusiasm.

FAQs

How can I use "unreactive" in a sentence?

You can use "unreactive" to describe something that does not readily undergo chemical reactions or respond to stimuli. For instance, "Noble gases are known for being "inert" and "unreactive"" or "The patient was "unresponsive" and "unreactive" to verbal commands".

What's the difference between "unreactive" and "inactive"?

"Unreactive" implies a fundamental inability or resistance to react, suggesting the subject doesn't typically react under normal circumstances. "Inactive", on the other hand, indicates a temporary state of being not active. For example, a substance might be described as "unreactive" due to its atomic structure, while an enzyme might be described as "inactive" when it is not currently catalyzing a reaction but could become active under different conditions.

What are some synonyms for "unreactive"?

Some synonyms for "unreactive" include "inert", "non-responsive", "passive", and "inactive". The best choice depends on the specific context.

In what fields is the term "unreactive" commonly used?

The term "unreactive" is commonly used in fields such as chemistry, medicine, and materials science. In chemistry, it describes substances that don't readily participate in reactions. In medicine, it might describe a patient's lack of response. In materials science, it can refer to materials resistant to corrosion or other chemical changes.