I would like to see what is the closest word I can get that means vulnerable to the elements. One word is preferred, as opposed to a phrase. Here is a basic example:

Steel is ____________, but titanium is not ____________.

Ideally the word is not only relevant to corrosion like in the above example, but also other elements, whatever they may be (sunlight, wind, cold, ect)

Chemlights are ____________, but flashlights are not ____________.

(in the 2nd example the element implied is sunlight. Sunlight will degrade the chemlight, but will not impact the flashlight's performance -- not that you would use a flashlight on a sunny day, assumed you used at a later date at night after exposure to sunlight)

  • Impervious, meaning incapable of being damaged, might do, but it's an anotonym of the phrase "vulnerable to the elements".
    – Charl E
    Aug 20, 2018 at 11:50

2 Answers 2


could you be looking for pervious and impervious?

As adjectives the difference between pervious and impervious is that pervious is admitting passage; capable of being penetrated by another body or substance; permeable while impervious is unaffected or unable to be affected by.

or simply


Resistant to the effects of bad weather, especially rain.

  • I think he's looking for one word which is the exact opposite of weatherproof, like a better word than weather-pervious.
    – S Conroy
    Aug 21, 2018 at 17:58

susceptible works, although that doesn't exclusively refer to susceptibility to the elements.

From Merriam Webster:

susceptible - adjective - sus·cep·ti·ble \ sə-ˈsep-tə-bəl \ - 1 : capable of submitting to an action, process, or operation a theory susceptible to proof

2 : open, subject, or unresistant to some stimulus, influence, or agency susceptible to pneumonia

3 : impressionable, responsive a susceptible mind

— susceptibleness noun

— susceptibly adverb

  • 1
    The word you suggest is a good choice, but to make it easier for the person who posted the question to see why it's relevant, please consider adding a dictionary definition of susceptible in the relevant sense (together with a citation to the dictionary you used) and consider explaining why it is relevant.
    – Sven Yargs
    Aug 21, 2018 at 6:45

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